Showing 5,101 to 5,200 of 8,335.
- OFAYA white person.
- OFFERA proposal that has been made.
- OFFICEROne who has a position of authority in a hierarchical organization, especially in military, police or government organizations.
- OFFICIANTA person who officiates at a religious ceremony (in Christianity, at any ceremony other than the Eucharist).
- OFFICINALMedicinal.
- OFFICIOUSObliging, attentive, eager to please.
- OGEEA double curve in the shape of an elongated S; an object of that shape.
- OINTTo anoint.
- OLEAGINOUSOily, greasy.
- OLEANDERNerium oleander, a notoriously poisonous shrub in the dogbane family, Apocynaceae, but nonetheless widely grown as an ornamental, having leathery lance-shaped leaves and deep rose-
- OLEICOf or pertaining to oil, especially to vegetable oil.
- OLEIFEROUSThat produces oil
- OLENTscented
- OLERACEOUSRelating to potherbs.
- OLFACTTo smell.
- OLFACTIONThe sense of smell; the detection of airborne molecules.
- OLFACTORYConcerning the sense of smell.
- OLIDevil-smelling; fetid.
- OLIOA rich, thick, Spanish stew consisting of meat and vegetables.
- OLIVARYShaped like an olive
- OMBREA Spanish card game, usually played by three people. It involves forty cards, omitting the ranks of 8, 9 and 10.
- OMENSomething which portends or is perceived to portend either a good or evil event or circumstance in the future, or which causes a foreboding; a portent or augury.
- OMICRONThe 15th letter of the Classical and Modern Greek alphabets (16th in Ancient and Old Greek), used in ordering lists as in naming the 15th star of a constellation or the 15th discov
- OMINOUSOf or pertaining to an omen or to omens; being or exhibiting an omen; significant.
- OMISSIONThe act of omitting.
- OMITTo leave out or exclude.
- OMNIBUSA bus (vehicle for transporting large numbers of people along roads).
- OMNIFARIOUSOf many or all forms, varieties, or kinds.
- OMNIFEROUSThat bears everything; producing all types.
- OMNIFICCapable of making or doing anything; all-creating.
- OMNIVOREAn animal which is able to consume both plants (like a herbivore) and meat (like a carnivore).
- ONEROUSImposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome.
- ONIONA monocotyledonous plant (Allium cepa), allied to garlic, used as vegetable and spice.
- ONUSA legal obligation.
- ONYCHAthe operculum of kinds of strombus or muricid, smoked as an ingredient in the Mosaic incense and pre-modern medicine
- ONYCHASthe operculum of kinds of strombus or muricid, smoked as an ingredient in the Mosaic incense and pre-modern medicine
- ONYCHIAAn infection of the nailbed, which more or less always also involves the nail itself (sometimes causing the nail to slough off).
- ONYCHIUMA little claw or clawlike appendage, present on some arthropods.
- ONYCHIUMSA little claw or clawlike appendage, present on some arthropods.
- OOSPHEREA large nonmotile egg cell, especially of an alga or fungus, formed in an oogonium and ready for fertilization.
- OPACIFYTo make opaque.
- OPACITYThe state or quality of being opaque, not allowing light to pass through.
- OPACOUSNot shining or illuminated; dark.
- OPAQUENeither reflecting nor emitting light.
- OPERANDA quantity to which an operator is applied (in 3−x, the operands of the subtraction operator are 3 and x).
- OPERANTThat operates to produce an effect.
- OPERATETo perform a work or labour; to exert power or strength, physical or mechanical; to act.
- OPERATIONThe method by which a device performs its function.
- OPERATIVEEffectual or important.
- OPERCULATEHaving an operculum.
- OPERCULUMA covering flap in animals and insects, such as a gill cover or the lid of nits.
- OPEROSEOf a person: busy, industrious, or painstaking.
- OPIATERelating to, resembling, or containing opium.
- OPIFICERA person who creates or makes something.
- OPINABLECapable of being opined or thought.
- OPINETo express an opinion; to state as an opinion; to suppose, consider (that).
- OPPIDANOf or pertaining to a town or conurbation.
- OPPIGNERATEAlternative form of oppignorate. [with 1622-1857]
- OPPILATETo block, to stop up, to obstruct.
- OPPORTUNESuitable for some particular purpose.
- OPPUGNTo contradict or controvert; to oppose; to challenge or question the truth or validity of a given statement.
- OPSONICRelating to, produced by, or involving opsonin.
- OPTIMALThe best, most favourable or desirable, especially under some restriction.
- OPTIMATEA member of the patrician ruling class in republican Ancient Rome; an aristocrat, a noble.
- OPTIMEA student who graduates with second class ("senior optime") or third class ("junior optime") honours in mathematics, or (loosely) in any other subject.
- OPTIONOne of a set of choices that can be made.
- OPULENCEWealth.
- OPUSA work of music or set of works with a specified rank in an ordering of a composer's complete published works.
- OPUSCULEA small or petty work.
- ORACLEA shrine dedicated to some prophetic deity.
- ORACULOUSOracular.
- ORALRelating to the mouth.
- ORANTAlternative form of orans.
- ORATETo speak formally; to give a speech.
- ORATIONA formal, often ceremonial speech.
- ORATORYA private chapel or prayer room.
- ORBICULARCircular or spherical in shape; round.
- ORBICULARISA muscle surrounding an opening.
- ORBICULATEspherical or circular; orbicular
- ORBITThe curved path of one object around a point or another body. An elliptical movement of an object about a celestial object or Lagrange point, especially a periodic elliptical revol
- ORBITAObsolete form of orbit.
- ORBITALOf or relating to, or forming an orbit (such as the orbit of a moon, planet, or spacecraft).
- ORBITASObsolete form of orbit.
- ORBITYA bereavement by loss of parents or children; the state of being orbate; orbation.
- ORCAA sea mammal (Orcinus orca) related to dolphins and porpoises, commonly called the killer whale.
- ORCHILAny of several lichens, especially those of the genera Roccella and Lecanora.
- ORCINThe organic compound 3,5-dihydroxytoluene, found in many lichens and synthesizable from toluene.
- ORDAINTo prearrange unalterably.
- ORDALIANOf or relating to trial by ordeal.
- ORDALIUMTrial by ordeal.
- ORDEALA trial in which the accused was subjected to a dangerous test (such as ducking in water), divine authority deciding the guilt of the accused.
- ORDINALIndicating position in a sequence.
- ORDINATEThe second of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes.
- ORDOA musical phrase constructed from one or more statements of one modal pattern and ending in a rest.
- ORGANICPertaining to or derived from living organisms.
- ORGANISTA musician who plays the organ.
- ORGANIZETo arrange in working order.
- ORGEATA sweet syrup made from sugar and almonds (or originally barley) and rose water or orange-flower water.
- ORIELA large polygonal recess in a building, such as a bay window, forming a protrusion on the outer wall.
- ORIFICEA mouth or aperture, such as of a tube, pipe, etc.; an opening.