| Term | Definition |
|
obdurate |
Stubbornly persistent or determined; resistant to persuasion |
|
obfuscate |
To confuse; to make obscure |
|
obstinate |
Unreasonably persistent or stubborn |
|
olfactory |
Relating to the sense of smell |
|
oligarchy |
A government in which a small group holds all of the control |
|
onus |
A burden or obligation |
|
opine |
To express an opinion or feeling |
|
opportunist |
One who takes advantage of any chance to achieve an end, with little regard for morals or principles |
|
opprobrious |
Disgraceful; shameful |
|
ornery |
Having an irritable disposition or mood; cantankerous |
|
oscillate |
To swing back and forth like a pendulum; to vary between opposing beliefs or feelings |
|
ossify |
To change into bone; to become hardened or set |
|
ostracize |
To exclude or reject from a group by common consent |
|
oust |
To remove a title or position by force; eject |