O Flashcards
obdurate
unyielding to persuasion or moral influences
obfuscate
to render incomprehensible
oblique
diverging from a straight line or course, not straightforward
obscure
unclear, partially hidden
obsequious
excessively compliant or submissive
obsolete
no longer used, out of date
obstinate
not yielding easily, stubborn
obstreperous
noisy, unruly
obtuse
lacking quickness of sensibility or intellect
odious
instilling hatred or intense displeasure
officious
offering one’s services when they are neither wanted nor needed
ominious
foreboding or foreshadowing evil
onerous
burdensome
opulent
ostentatiously rich and luxurious or lavish;
characterized by rich abundance verging on ostentation
oration
a speech delivered in a formal or ceremonious manner