dictionary

1: the blood group whose red cells carry neither the A nor B antigens; "people with type O blood are universal donors" [syn: {type O}, {group O}] 2: a nonmetallic bivalent element that is normally a c...

1: the basic level of a subject taken in school

1: a gasket consisting of a flat ring of rubber or plastic; used to seal a joint against high pressure

1: Irish writer (born in 1932) [syn: {Edna O'Brien}]

1: Irish playwright (1880-1964) [syn: {Sean O'Casey}]

1: according to the clock; "it's three o'clock in Tokyo now"

1: United States writer (1925-1964) [syn: {Flannery O'Connor}, {Mary Flannery O'Connor}]

1: throughout a period of time; "stay over the weekend" [syn: {over}]

1: Irish writer of short stories (1896-1984) [syn: {Liam O'Flaherty}]

1: United States writer (1905-1970) [syn: {John Henry O'Hara}]

1: United States painter (1887-1986) [syn: {Georgia Okeeffe}]

1: United States playwright (1888-1953) [syn: {Eugene O'Neill}, {Eugene Gladstone O'Neill}]

1: British actor (born in Ireland in 1932) [syn: {Peter O'Toole}, {Peter Seamus O'Toole}]

1: United States writer of short stories whose pen name was O. Henry (1862-1910) [syn: {Porter}, {William Sydney Porter}]

1: dose too heavily; "The rock star overdosed and was found dead in his hotel room" [syn: {overdose}]

1: an unabridged dictionary constructed on historical principles [syn: {Oxford English Dictionary}, {OED}]

1: being satisfactory or in satisfactory condition; "an all-right movie"; "the passengers were shaken up but are all right"; "is everything all right?"; "everything's fine"; "things are okay"; "dinner...

1: an awkward stupid person [syn: {lout}, {clod}, {stumblebum}, {goon}, {lubber}, {lummox}, {lump}, {gawk}]

1: ill-mannered and coarse and contemptible in behavior or appearance; "was boorish and insensitive"; "the loutish manners of a bully"; "her stupid oafish husband"; "aristocratic contempt for the swin...

1: an island of central Hawaii (between Molokai and Kauai); the chief island of the state [syn: {Oahu Island}]

1: an island of central Hawaii (between Molokai and Kauai); the chief island of the state [syn: {Oahu}]

1: the hard durable wood of any oak; used especially for furniture and flooring 2: a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns" [syn: {oak t...

1: oak gall caused by larvae of a cynipid wasp

1: a black plant louse that lives on oaks and dogwoods

1: a tree of the genus Castanopsis

1: bright blue-green fern widely distributed especially in damp acid woodlands of temperate northern hemisphere [syn: {Gymnocarpium dryopteris}, {Thelypteris dryopteris}]

1: a United States military decoration consisting of bronze or silver oak leaves and acorns awarded to anyone who has won a given medal before

1: a deciduous tree of the genus Quercus; has acorns and lobed leaves; "great oaks grow from little acorns" [syn: {oak}]

1: annual European plant with spikes of greenish flowers and leaves that are white-hairy beneath; common as a weed in North America [syn: {oakleaf goosefoot}, {Chenopodium glaucum}]

1: consisting of or made of wood of the oak tree; "a solid oak table"; "the old oaken bucket"

1: a city in western California on San Francisco Bay opposite San Francisco; primarily and industrial urban center

1: annual European plant with spikes of greenish flowers and leaves that are white-hairy beneath; common as a weed in North America [syn: {oak-leaved goosefoot}, {Chenopodium glaucum}]

1: United States sharpshooter who was featured in Buffalo Bill's Wild West Show (1860-1926) [syn: {Annie Oakley}]

1: loose hemp or jute fiber obtained by unravelling old ropes; when impregnated with tar it was used to caulk seams and pack joints in wooden ships

1: an implement used to propel or steer a boat

1: thin deep-water tropical fish 20 to 30 feet long having a red dorsal fin [syn: {king of the herring}, {ribbonfish}, {Regalecus glesne}] [also: {oarfishes} (pl)]

{oarfish}

1: a holder attached to the gunwale of a boat that holds the oar in place and acts as a fulcrum for rowing [syn: {peg}, {pin}, {thole}, {tholepin}, {rowlock}]

1: someone who rows a boat [syn: {rower}]

1: skill as an oarsman

1: a woman oarsman

1: an association of countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation [syn: {Organization of American States}]

{oasis}

1: a fertile tract in a desert (where the water table approaches the surface) 2: a shelter serving as a place of safety or sanctuary [syn: {haven}] [also: {oases} (pl)]

1: a kiln for drying hops

1: a building containing an oast (a kiln for drying hops); usually has a conical or pyramidal roof

1: annual grass of Europe and North Africa; grains used as food and fodder (referred to primarily in the plural: `oats') 2: seed of the annual grass Avena sativa (spoken of primarily in the plural as ...

1: highly malignant carcinoma composed of small round or egg-shaped cells with little cytoplasm; lung cancers are frequently oat cell carcinomas [syn: {small cell carcinoma}]

1: thin flat unleavened cake of baked oatmeal

1: of or related to or derived from oats; "oaten bread"

1: English conspirator who claimed that there was a Jesuit plot to assassinate Charles II (1649-1705) [syn: {Titus Oates}] 2: United States writer (born in 1938) [syn: {Joyce Carol Oates}]

1: profane or obscene expression usually of surprise or anger; "expletives were deleted" [syn: {curse}, {curse word}, {expletive}, {swearing}, {swearword}, {cuss}] 2: a commitment to tell the truth (e...

1: porridge made of rolled oats [syn: {burgoo}] 2: meal made from rolled or ground oats [syn: {rolled oats}]

1: cookies containing rolled oats

1: a city of southeastern Mexico [syn: {Oaxaca de Juarez}]

1: a city of southeastern Mexico [syn: {Oaxaca}]

1: a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea [syn: {Ob River}] 2: the branch of medicine dealing with childbirth and care of the mothe...

1: a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea [syn: {Ob}]

1: a Hebrew minor prophet [syn: {Abdias}] 2: an Old Testament book telling Obadiah's prophecies; the shortest book in the Christian Bible [syn: {Abdias}, {Book of Obadiah}]

1: a persistent but subordinate motif [syn: {obligato}] 2: a part of the score that must be performed without change or omission [syn: {obligato}]

1: resoluteness by virtue of being unyielding and inflexible [syn: {adamance}, {unyieldingness}]

1: stubbornly persistent in wrongdoing [syn: {cussed}, {obstinate}, {unrepentant}] 2: showing unfeeling resistance to tender feelings; "the child's misery would move even the most obdurate heart" [syn...

1: in a stubborn unregenerate manner; "she remained stubbornly in the same position" [syn: {stubbornly}, {pig-headedly}, {mulishly}, {obstinately}, {cussedly}]

1: a religious belief of African origin involving witchcraft and sorcery; practiced in parts of the West Indies and tropical Americas [syn: {obi}]

1: the wood of an African obeche tree; used especially for veneering 2: large west African tree having large palmately lobed leaves and axillary cymose panicles of small white flowers and one-winged s...

1: large west African tree having large palmately lobed leaves and axillary cymose panicles of small white flowers and one-winged seeds; yields soft white to pale yellow wood [syn: {obeche}, {arere}, ...

1: the act of obeying; dutiful or submissive behavior with respect to another person [syn: {obeisance}] [ant: {disobedience}] 2: the trait of being willing to obey [ant: {disobedience}] 3: behavior in...

1: white-flowered West Indian plant whose root yields arrowroot starch [syn: {arrowroot}, {American arrowroot}, {Maranta arundinaceae}]

1: dutifully complying with the commands or instructions of those in authority; "an obedient soldier"; "obedient children"; "a little man obedient to his wife"; "the obedient colonies...are heavily ta...

1: North American plant having a spike of two-lipped pink or white flowers [syn: {false dragonhead}, {false dragon head}, {Physostegia virginiana}]

1: in an obedient manner; "obediently she slipped off her right shoe and stocking" [syn: {yieldingly}] [ant: {disobediently}]

1: bending the head or body or knee as a sign of reverence or submission or shame [syn: {bow}, {bowing}] 2: the act of obeying; dutiful or submissive behavior with respect to another person [syn: {obe...

{obelus}

1: the craniometric point on the sagittal suture near the lamboid suture

1: a stone pillar having a rectangular cross section tapering towards a pyramidal top 2: a character used in printing to indicate a cross reference or footnote [syn: {dagger}]

1: excessively fat; "a weighty man" [syn: {corpulent}, {weighty}, {rotund}]

1: more than average fatness [syn: {fleshiness}]

1: a diet designed to help you lose weight (especially fat) [syn: {reducing diet}]

1: be obedient to [ant: {disobey}]

1: make obscure or unclear [ant: {clarify}]

1: confusion resulting from failure to understand [syn: {bewilderment}, {puzzlement}, {befuddlement}, {mystification}, {bafflement}, {bemusement}] 2: the activity of obscuring people's understanding, ...

1: a religious belief of African origin involving witchcraft and sorcery; practiced in parts of the West Indies and tropical Americas [syn: {obeah}]

1: a chloride used as an antidote for nerve gases such as sarin or VX

1: belief in a kind of sorcery that originated in Africa and is practiced in the West Indies

1: a notice of someone's death; usually includes a short biography [syn: {obituary}, {necrology}]

1: an incidental remark [syn: {passing comment}] 2: an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding [syn: {dictum}]

1: a notice of someone's death; usually includes a short biography [syn: {obit}, {necrology}]

1: a tangible and visible entity; an entity that can cast a shadow; "it was full of rackets, balls and other objects" [syn: {physical object}] 2: the goal intended to be attained (and which is believe...

1: the billiard ball first struck by the cue ball

1: the machine-language output of a compiler that is ready for execution on a particular computer

1: the lens or system of lenses nearest the object being viewed [syn: {objective}]

1: a computer language into which something written in another computer language is to be translated [syn: {target language}] 2: the language into which a text written in another language is to be tra...

1: punishment intended as a warning to others; "they decided to make an example of him" [syn: {example}, {deterrent example}, {lesson}]

1: the object governed by a preposition [syn: {prepositional object}]

1: the object that receives the direct action of the verb [syn: {direct object}]

1: a fully compiled or assembled program ready to be loaded into the computer [syn: {target program}] [ant: {source program}]

1: the visual perception of familiar objects

1: a database in which the operations carried out on information items (data objects) are considered part of their definition

1: a database management system designed to manage an object-oriented database

1: (computer science) a programming language that enables the programmer to associate a set of procedures with each type of data structure; "C++ is an object-oriented programming language that is an e...

1: (computer science) a programming language that enables the programmer to associate a set of procedures with each type of data structure; "C++ is an object-oriented programming language that is an e...

1: the act of representing an abstraction as a physical thing 2: a concrete representation of an abstract idea or principle

{objectify}

1: make external or objective, or give reality to; "language externalizes our thoughts" [syn: {exteriorize}, {exteriorise}, {externalize}, {externalise}] 2: make impersonal or present as an object; "W...

1: the act of expressing earnest opposition or protest [syn: {expostulation}, {remonstrance}] 2: the speech act of objecting 3: the act of protesting; a public (often organized) manifestation of disse...

1: causing disapproval or protest; "a vulgar and objectionable person" [syn: {obnoxious}, {unpleasant}] 2: liable to objection or debate; used of something one might take exception to; "a thoroughly u...

1: the quality of being hateful [syn: {hatefulness}, {obnoxiousness}]

1: in an obnoxious manner; "he said so in one of his more offensively intellectually arrogant sentences" [syn: {offensively}, {obnoxiously}]

1: undistorted by emotion or personal bias; based on observable phenomena; "an objective appraisal"; "objective evidence" [syn: {nonsubjective}] [ant: {subjective}] 2: serving as or indicating the obj...

1: the category of nouns serving as the direct object of a verb [syn: {accusative}, {accusative case}]

1: with objectivity; "we must look at the facts objectively" [ant: {subjectively}]

1: judgment based on observable phenomena and uninfluenced by emotions or personal prejudices [syn: {objectivity}]

1: judgment based on observable phenomena and uninfluenced by emotions or personal prejudices [syn: {objectiveness}]

1: a person who dissents from some established policy [syn: {dissenter}, {dissident}, {protester}, {contestant}]

1: a work of art of some artistic value; "this store sells only objets d'art"; "it is not known who created this piece" [syn: {art object}, {piece}]

{objet d'art}

1: express strong disapproval of; "We condemn the racism in South Africa"; "These ideas were reprobated" [syn: {condemn}, {reprobate}, {decry}, {excoriate}] 2: censure severely; "She chastised him for...

1: rebuking a person harshly [syn: {chiding}, {scolding}, {tongue-lashing}]

1: of a leaf shape; having a broad rounded apex and a tapering base

1: having a rounded apex and tapering base