oblivion / obliviousesquecimento = the state of something that is not remembered, used, or thought about any more; "the names of the people who lived here long ago have faded into oblivion" // esquecido; oblivious of = esquecido de, inconsciente de
obnoxiousinsolente, detestável = unpleasant in a way that makes people feel offended, annoyed, or disgusted; hateful; offensive; "some teenagers were being loud and obnoxious"
obsceneobsceno, indecente = dirty, nasty, filthy, indecent
odor; odourodor, cheiro; an unpleasant odor
offense (US); offence (UK)1) ataque = attack, assault / 2) ofensa, crime, pecado = a violation or breaking of a social or moral rule
offhandimprovisado; de improviso = without preparation
okraquiabo = lady's fingers; gumbo (Abelmoschus esculentus)
oldiepopular no passado = a song, joke, movie, etc., that was popular at a time in the past.
omen / ominousagouro, presságio; "evil omen" / agourento, nefasto, preocupante, de mau agouro = suggesting that something bad is going to happen in the future; "an ominous threat of war"
onslaughtataque violento; investida = an especially fierce attack; something resembling such an attack; "an onslaught of technological changes"
oracleoráculo, profecia
ounce (abrev.: oz)onça (peso) = aprox. 31 g
outbackárea distante e não povoada = the country far away from cities, towns, or villages especially in Australia; bush (The bush), backwoods, wilderness
outboarddo lado externo = located on the outside of a ship's hull or aircraft / outboard motor = motor de popa
outburstexplosão (raiva, choro, etc) = a sudden and often violent release, outpouring, or eruption:
outcastrejeitado, excomungado, pária = a person who is rejected or cast out, as from home or society
outrage (n) / outrage (to) / outrageousescândalo, atrocidade / ofender, ultrajar, injuriar // 1) escandaloso, ultrajante, chocante; "outrageous crime"; "outrageous behaviour" / 2) exorbitante, abusivo; "outrageous price"
outsource (to) / outsourcingterceirizar // terceirização, trabalho feito por outra empresa, normalmente fora da empresa-cliente; "the company outsources everything except core competencies" / (obs: contractor = empresa que fornece recursos para trabalhar como terceiros na empresa-cliente)
ovationaclamação, ovação
overdraftsaque a descoberto; overdrafting checking = cheque especial
overhaul / overhaul (to)revisão completa (mecânica) = thorough repair // revisar, reparar
overlook (to) / overlook (n)1) ver do alto = to look down upon from above // 2) passar por alto, não ver, não fazer caso, ignorar; "the opportunity should not be overlooked"; "the detective overlooked an important clue" // mirante, belvedere = a high place with a good view; "there's a great overlook where you can get a panoramic view of the valley below"
overrate (to)exagerar o valor; superestimar = overestimate
override (to)1) cancelar, anular, ignorar = to give a command that cancels the effect of something; "press that button to override the system" // 2) sobrepor // 3) passar por cima = to prevail over
overrun (to)transpor; ultrapassar = to run beyond, to overflow
oversee (to)inspecionar, supervisionar = to direct workers as a supervisor; to supervise