
oscillate | oscillate: v. fluctuate, vibrate, waver, see-saw, swing, sway; vacillate, equivocate, shilly-shally, hem and haw, tergiversate: The needle is oscillating between the ''Safe'' and ''Danger'' marks. I wish he''d stop oscillating and make up his mind.
ostensibly | ostensibly: adv. outwardly, externally, superficially, patently, ostensively, demonstrably, apparently, evidently, seemingly; clearly, plainly, manifestly, conspicuously, obviously, patently, noticeably, prominently: Ostensibly, he was visiting his aunt, but we all know he went to see Stella.
ostentation | ostentation: n. show, display, exhibition, exhibitionism, showing off, pretension, pretentiousness, flaunting, flashiness, flourish, flamboyance, parade, window-dressing: His clothes are elegant without ostentation.
ostentatious | ostentatious: adj. showy, boastful, braggart, vaunting, vain, vainglorious, flaunting, pretentious, flamboyant, theatrical, Colloq flash: It''s terribly ostentatious of Lady Penny to wear her diamond tiara to the disco.
ostracize | ostracize: v. blackball, blacklist, banish, exile, boycott, isolate, segregate, exclude, excommunicate, snub, shun, avoid, Chiefly Brit send to Coventry, Colloq cut, cold-shoulder, give (someone) the cold shoulder: Marcus has been ostracized at the club ever since the court case.
