關於gre常見的形容詞詞彙

obdurate : stubborn

obese : fat

oblique : slanting; deviating from the perpendicular or from a straight line

obnoxious : offensive

obsequious :slavishly attentive; servile; sycophantic

obsolete : outmoded

obtrusive : pushing toward

obtuse : blunt; stupid

occult : mysterious; secret; supernatural

odious : hateful

odoriferous : giving off an order

odorous : having an odor

officious : meddlesome; excessively trying to please

olfactory : concerning the sense of smell

ominous : threatening

omnipotent : all-powerful

omniscient : all-knowing

omnivorous : eating both plant and animal food; devouring everything

onerous : burdensome

opalescent : iridescent

opaque : dark; not transparent

opportune : timely; well chosen

opprobrious : disgraceful

ornate : excessively decorated; highly decorated

ostensible : apparent; professed; pretended

ostentatious : showy; pretentious