Select a letter for some words
Objectable
Such as can be presented in opposition; that may be put forward as an objection.
obligated
under a moral obligation to someone.
obligee
The person to whom another is bound, or the person to whom a bond is given.
Obolary
Possessing only small coins; impoverished.
Obsequience
Obsequiousness.
Obsession
The act of besieging.
Obstruction
The act of obstructing, or state of being obstructed.
Obtemper
To obey (a judgment or decree).
Obtrusion
The act of obtruding; a thrusting upon others by force or unsolicited; .
Obversant
Conversant; familiar.
Occamy
An alloy imitating gold or silver.
Oculonasal
Of or pertaining to the region of the eye and the nose; .
Odelsthing
The lower house of the Norwegian Storthing. See .
Odonata
The division of insects that includes the dragon flies.
Offenseful
Causing offense; displeasing; wrong; .
oilstove
A stove that burns oil (such as kerosine) for heating or cooking.
Olibanum
The fragrant gum resin of various species of ; Oriental frankincense.
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.
Omni-
A combining form denoting , , ; .
Omphalo-
A combining form indicating , or , , or .
Once
The ounce.
Onchorynchus
A genus of fishes including the sockeye salmon; chinook salmon; and coho salmon.
Ondogram
The record of an ondograph.
Onerary
Fitted for, or carrying, a burden.
Only
In one manner or degree; for one purpose alone; simply; merely; barely.
Only
Save or except (that); -- an adversative used elliptically with or without , and properly introducing a single fact or consideration.
Onomatologist
One versed in the history of names.
Ontogenetic
Of or pertaining to ontogenesis; .
Osperm
The ovum, after fusion with the spermatozon in impregnation.
Opeidoscope
An instrument, consisting of a tube having one end open and the other end covered with a thin flexible membrance to the center of which is attached a small mirror. It is used for exhibiting upon a screen, by means of rays reflected from the mirror, the vibratory motions caused by sounds produced at the open end of the tube, as by speaking or singing into it.
Open door
Open or free admission to all; hospitable welcome; free opportunity.
Ophidian
Of or pertaining to the ; belonging to serpents.
Ophioglossales
An order coextensive with the family .
Opificer
An artificer; a workman.
Opinable
Capable of being opined or thought.
Opposition
The act of opposing; an attempt to check, restrain, or defeat; resistance.
Optable
That may be chosen; desirable.
Optimate
Of or pertaining to the nobility or aristocracy.
Option
The power of choosing; the right of choice or election; an alternative.
Or
A particle that marks an alternative; . It corresponds to . It often connects a series of words or propositions, presenting a choice of either; .
Ora
A money of account among the Anglo-Saxons, valued, in the Domesday Book, at twenty pence sterling.
Orbicular
Resembling or having the form of an orb; spherical; circular; orbiculate.
Orbitonasal
Of or pertaining to the orbit and the nose; .
Orchestration
The arrangement of music for an orchestra; orchestral treatment of a composition; -- called also .
Orchid
Any plant of the order . See .
Oreweed
Same as .
Organling
A large kind of sea fish; the orgeis.
Organo-
A combining form denoting , or , or .
ormolu
A variety of brass made to resemble gold by the use of less zinc and more copper in its composition than ordinary brass contains. Its golden color is often heightened by means of lacquer of some sort, or by use of acids. Called also .
ornamental
Serving to ornament; characterized by ornament; beautifying; embellishing.
Oroheliograph
A camera for obtaining a circular panoramic view of the horizon. The photographic plate is placed horizontally with a vertical lens above. A mirror of peculiar shape reflects light from the entire horizon to the lens, by means of which it is focused upon the plate.
Orphanotrophism
The care and support of orphans.
Orpheline
An orphan.
osmometer
An instrument for measuring the amount of osmotic action in different liquids.
Ostiary
The mouth of a river; an estuary.
Otherness
The quality or state of being other or different; alterity; oppositeness.
Oul
An awl.
Ouphen
Elfish.
Outcast
One who is cast out or expelled; an exile; one driven from home, society, or country; hence, often, a degraded person; a vagabond.
Outher
Other.
Outlook
To face down; to outstare.
Outrecuidance
Excessive presumption.
Outtell
To surpass in telling, counting, or reckoning.
Outway
A way out; exit.
Ouzel
Same as .
overachiever
a student who attains higher standards than expected based on the IQ score.
Overbid
To bid or offer beyond, or in excess of.
Overcome
To gain the superiority; to be victorious.
Overglaze
Applied over the glaze; -- said of enamel paintings, which sometimes are seen to project from the surface of the ware.
Overissue
To issue in excess.
Overlord
One who is lord over another or others; a superior lord; a master.
Overmagnify
To magnify too much.
Overmost
Over the rest in authority; above all others; highest.
Overmultitude
To outnumber.
overrating
a calculation that results in an estimate that is too high.
Overspin
To spin out to too great length; to protract unduly.
Overword
To say in too many words; to express verbosely.
Ovoid
A solid resembling an egg in shape.
Ovulite
A fossil egg.
Oxygenator
An oxidizer.
Oxyphenol
A phenol, , produced by the distillation of catechin; called also , and now .
Ozonoscope
An apparatus employed to indicate the presence, or the amount, of ozone.