381 Phrases Starting With Letter O
 obscure, difficult, and subtle
 obscure, shadowy, intricate, and mysterious
 obscured beneath the rubbish of the age
 obscured with wrath as is the sun with cloud
 obsequies and panegyrics [obsequies = funeral rite] [panegyrics = elaborate praise]
 obsequious and conciliating [obsequious = servile compliance; fawning]
 obsequious homage [obsequious = servile compliance; fawning]
 obsequious, cringing, fawning, and servile [obsequious = fawning.]
 observation, discrimination, and comparison
 observations and reflections
 observations, sentiments, ideas, and theories
 obsessed with an overweening pride
 obsessed with the modishness of the hour
 obsolete, artificial, and inadequate
 obstacles that are difficult but not insuperable
 obstinacy, pertinacity, stubbornness, and inflexibility [pertinacity = persistent]
 obstinacy, stupidity, and wilfulness
 obstreperous and noisy [obstreperous = stubbornly defiant]
 obstreperous summons [obstreperous = noisily and stubbornly defiant]