 | Term | Definition |
| |
offshoot |
Something that branches off from the parent stock. |
| |
ogre |
A demon or monster that was supposed to devour human beings. |
| |
ointment |
A fatty preparation with a butter-like consistency in which a medicinal substance exists. |
| |
olfactory |
of or pertaining to the sense of smell. |
| |
olive-branch |
A branch of the olive-tree, as an emblem of peace. |
| |
ominous |
Portentous. |
| |
omission |
Exclusion. |
| |
omnipotence |
Unlimited and universal power. |
| |
Omnipotent |
Possessed of unlimited and universal power. |
| |
omniscience |
Unlimited or infinite knowledge. |
| |
omniscient |
Characterized by unlimited or infinite knowledge. |
| |
omnivorous |
Eating or living upon food of all kinds indiscriminately. |
| |
onerous |
Burdensome or oppressive. |
| |
onrush |
Onset. |
| |
onset |
An assault, especially of troops, upon an enemy or fortification. |
| |
onslaught |
A violent onset. |
| |
onus |
A burden or responsibility. |
| |
opalescence |
The property of combined refraction and reflection of light, resulting in smoky tints. |
| |
opaque |
Impervious to light. |
| |
operate |
To put in action and supervise the working of. |
| |
operative |
Active. |
| |
operator |
One who works with or controls some machine or scientific apparatus. |
| |
operetta |
A humorous play in dialogue and music, of more than one act. |
| |
opinion |
A conclusion or judgment held with confidence, but falling short of positive knowledge. |
| |
opponent |
One who supports the opposite side in a debate, discussion, struggle, or sport. |
| |
opportune |
Especially fit as occurring, said, or done at the right moment. |
| |
opportunist |
One who takes advantage of circumstances to gain his ends. |
| |
opportunity |
Favorable or advantageous chance or opening. |
| |
opposite |
Radically different or contrary in action or movement. |
| |
opprobrium |
The state of being scornfully reproached or accused of evil. |
| |
optic |
Pertaining to the eye or vision. |
| |
optician |
One who makes or deals in optical instruments or eye-glasses. |
| |
optics |
The science that treats of light and vision, and all that is connected with sight. |
| |
optimism |
The view that everything in nature and the history of mankind is ordered for the best. |
| |
option |
The right, power, or liberty of choosing. |
| |
optometry |
Measurement of the powers of vision. |
| |
opulence |
Affluence. |
| |
opulent |
Wealthy. |
| |
oral |
Uttered through the mouth. |
| |
orate |
To deliver an elaborate or formal public speech. |
| |
oration |
An elaborate or formal public speech. |
| |
orator |
One who delivers an elaborate or formal speech. |
| |
oratorio |
A composition for solo voices, chorus, and orchestra, generally taken from the Scriptures. |
| |
oratory |
The art of public speaking. |
| |
ordeal |
Anything that severely tests courage, strength, patience, conscience, etc. |
| |
ordinal |
That form of the numeral that shows the order of anything in a series, as first, second, third. |
| |
ordination |
A consecration to the ministry. |
| |
ordnance |
A general name for all kinds of weapons and their appliances used in war. |
| |
orgies |
Wild or wanton revelry. |
| |
origin |
The beginning of that which becomes or is made to be. |
