O
obdurate courage [obdurate = hardened in wrongdoing]
obedient compliance
objectionably apologetic
obligatory force
obligingly expressed
oblique tribute
obscure intimation
obsequious homage [obsequious = servile compliance; fawning]
observant eye
obsolete phraseology
obstinate defiance
obstreperous summons [obstreperous = noisily and stubbornly defiant]
obtrusive neatness
obvious boredom
occasional flights
occult sympathy
ocean depth
odd makeshifts
odious tyranny
odorous spring
offensive hostility
official asperity [asperity = harshness; ill temper or irritability]
olfactory sense
olive grayness
ominous rumors
omnipotent decree
omniscient affirmation
oncoming horde
onerous cares
onflaming volume
opalescent sea
opaque mass
openly disseminated
opinionated truculence [truculence = ferociously cruel behavior]
opportunely contrived
oppressive emptiness
opprobrious epithet [opprobrious = contemptuous reproach; scornful]
oracular utterance [oracular = solemnly prophetic; enigmatic; obscure]
oratorical display
ordinary delinquencies
organic assimilation
oriental spicery
originally promulgated
oscillatory movement
ostensible occupation
ostentatious display
outlandish fashion
outrageously vehement
outspoken encouragement
outstanding feature
outstretching sympathies
outward pomp
outworn creed
overbearing style
overestimated importance
overflowing sympathy
overhanging darkness
overmastering potency
overpowering argument
overshadowing dread
overstrained enthusiasm
overt act
overvaulting clouds
overweening sense [overweening = presumptuously arrogant; overbearing]
overwhelming solicitude
overworked drudge