Select a letter for some words
O
One.
oarswoman
a woman oarsman.
Obdormition
Sleep.
Obituarily
In the manner of an obituary.
Object
To make opposition in words or argument; to express one's displeasure; -- usually followed by ; .
Observant
One who observes forms and rules.
Obstinacy
A fixedness in will, opinion, or resolution that can not be shaken at all, or only with great difficulty; firm and usually unreasonable adherence to an opinion, purpose, or system; unyielding disposition; stubborness; pertinacity; persistency; contumacy.
Obstruction
The act of obstructing, or state of being obstructed.
Obtainable
Capable of being obtained.
Obtunder
That which obtunds or blunts; especially, that which blunts sensibility.
Obversant
Conversant; familiar.
Obvert
To turn toward.
Occupant
One who occupies, or takes possession; one who has the actual use or possession, or is in possession, of a thing; .
oceanfront
Bordering an ocean; .
octet
A composition for eight parts, usually for eight solo instruments or voices.
Octodecimo
Having eighteen leaves to a sheet;
nothionic
Pertaining to an acid now called or .
Offer
The act of offering, bringing forward, proposing, or bidding; a proffer; a first advance.
off-licence
a store that sells alcoholic beverages for consumption elsewhere.
oilcan
A small can with a long spout used to apply oil to machinery, for purposes of lubrication.
Oilman
One who deals in oils; formerly, one who dealt in oils and pickles.
oil patch
A geographical region from which petroleum is extracted.
Okinawa
the largest island of the central .
Olive
A tree () with small oblong or elliptical leaves, axillary clusters of flowers, and oval, one-seeded drupes. The tree has been cultivated for its fruit for thousands of years, and its branches are the emblems of peace. The wood is yellowish brown and beautifully variegated.
Olusatrum
An umbelliferous plant, the common Alexanders of Western Europe ().
-oma
A suffix used in medical terms to denote a of some part, usually some kind of tumor; .
Omnicorporeal
Comprehending or including all bodies; embracing all substance.
Oncost
In cost accounting, expenditure which is involved in the process of manufacture or the performance of work and which cannot be charged directly to any particular article manufactured or work done (as where different kinds of goods are produced), but must be allocated so that each kind of goods or work shall bear its proper share.
Ones
Once.
Olitic
Of or pertaining to olite; composed of, or resembling, olite.
Operation
The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
Operculiform
Having the form of a lid or cover.
Ophiophagus
A genus of venomous East Indian snakes, which feed on other snakes. is said to be the largest and most deadly of poisonous snakes.
Opisthobranchiate
Of or pertaining to the Opisthobranchiata.
Opisthomi
An order of eellike fishes having the scapular arch attached to the vertebr, but not connected with the skull.
Oppositionist
One who belongs to the opposition party.
Or
A particle that marks an alternative; . It corresponds to . It often connects a series of words or propositions, presenting a choice of either; .
Orby
Orblike; having the course of an orb; revolving.
Ordainable
Capable of being ordained; worthy to be ordained or appointed.
Orderly
A noncommissioned officer or soldier who attends a superior officer to carry his orders, or to render other service.
Ordinand
One about to be ordained.
Ordinary
According to established order; methodical; settled; regular.
Orismology
That department of natural history which treats of technical terms; the science of defining technical terms.
Ortalidian
Any one of numerous small two-winged flies of the family . The larv of many of these flies live in fruit; those of others produce galls on various plants.
orthopy
The art of uttering words correctly; a correct pronunciation of words; also, mode of pronunciation.
Orthograph
An orthographic projection, sometimes partly in section, esp. of a building.
Oscule
One of the excurrent apertures of sponges.
Osteozoa
Same as .
Ouster
A putting out of possession; dispossession; disseizin; -- of a person.
Out
Expressing impatience, anger, a desire to be rid of; -- with the force of command; go out; begone; away; off.
Outpassion
To exceed in passion.
Outride
To surpass in speed of riding; to ride beyond or faster than.
Outsettler
One who settles at a distance, or away, from others.
Outspeak
To exceed in speaking.
Outspring
To spring out; to issue.
Outtwine
To disentangle.
Outvillain
To exceed in villainy.
Ova
See .
Ovary
That part of the pistil which contains the seed, and in most flowering plants develops into the fruit. See of .
Overact
To act or perform to excess; to exaggerate in acting; .
overemphatic
Excessively emphatic.
Overmeasure
To measure or estimate too largely.
Overmoist
Excessively moist.
Overmultitude
To outnumber.
Overpay
To pay too much to; to reward too highly.
Overthrow
To throw over; to overturn; to upset; to turn upside down.
Overturnable
Capable of being, or liable to be, overturned or subverted.
Overweening
Conceit; arrogance.
Oxamate
A salt of oxamic acid.
Oxbane
A poisonous bulbous plant () of the Cape of Good Hope.
Oxychloride
A ternary compound of oxygen and chlorine; .
Oxyhydrogen light
A light produced by the incandescence of some substances, esp. lime, in the oxyhydrogen flame. Coal gas (producing the ), or the vapor of ether () or methylated spirit (), may be substituted for hydrogen.
Oxymoron
A figure in which an epithet of a contrary signification is added to a word; e. g., ; .
Oxyneurine
See .
ozonification
The act or process of producing, or of subjecting to the action of, ozone.