Vocabulary Terms Beginning with 'O'

A set of vocabulary flashcards covering terms from obdurate to ostracism.

obdurate

stubborn; refusing to change

obfuscate

to make confusing

oblique

indirect; slanting

oblivious

unaware

obscure

unclear; hidden

obsequious

overly obedient or flattering

obsolete

no longer in use

obstinate

stubborn

obstreperous

noisy; difficult to control

obtuse

slow to understand

odious

hateful

officious

overly eager to offer unwanted help

ominous

suggesting something bad will happen

onerous

burdensome

opulent

luxurious; wealthy

oration

a formal speech

ornate

highly decorated

orthodox

conventional

oscillate

to move back and forth

ostensible

seeming to be true

ostentatious

showy; flashy

ostracism

exclusion from a group