obliterate (to)apagar = to erase
obtrude (to)intrometer-se, invadir, irromper = to thrust forward; to impose without invitation or need
ocher; ochreocre (cor)
ooze (to)gotejar, pingar, esvair-se, fluir (líquido), exsudar = to flow or leak out slowly, as through pores or very small holes; "sap oozed from the tree"; "the cut on her finger was oozing blood"
orborbe, globo, esfera
ordealexperiência difícil; provaçâo, suplicio = any very severe, difficult, or trying test, experience, or trial; "the hikers were finally rescued after a three-day ordeal in the wilderness"
oust (to)expulsar, remover, exonerar = to expel, remove, or force (someone) from a place or position occupied
outageblecaute, falha no fornecimento de energia = a failure or interruption in use or functioning
outpace (to)ultrapassar = to surpass in speed
outpouringefusão, expansão, derramamento = something that pours out
outsmart (to)superar, sobrepujar
overlyexcessivamente; "overly curious"; "overly formal"
overshoot (to)passar do limite; exceder = to pass or go by or beyond
overtnão oculto, aberto, público, evidente, manifesto = open to view; observable