=o=, either, or; oh!
=obbedire=, to obey.
=obbligare=, to oblige.
=obbligo=, obligation, duty.
=oca=, goose.
=occhiata=, glance, look.
=occhiatina=, slight glance.
=occhio=, eye.
=occidente=, _m._, west.
=occorrente=, requisite, needful.
=occorrere=, to be necessary, needed.
=occupare=, to occupy.
=occupazione=, occupation.
=odiare=, to hate.
=odio=, hatred.
=offeso=, offended.
=officiosamente=, courteously.
=offrire=, to offer.
=offuscare=, to cloud, dim.
=oggi=, to-day.
=ogni=, every, each, all;
=---- tanto=, every now and then.
=ognuno=, everybody, every one.
=ohibò!= no matter! never mind!
=Olandese=, Dutch woman.
=olio=, oil.
=oltre=, more than.
=oltrepassare=, to pass beyond.
=omaccione=, big, heavy man.
=omaggio=, homage, respect.
=ombra=, shadow, shade.
=ombrellino=, parasol.
=ombrello=, umbrella.
=ombrellone=, _m._, large umbrella.
=onda=, wave.
=ondata=, surge, wave.
=onde=, whence, wherefore, therefore.
=onestà=, honesty, honor.
=onestamente=, honestly, respectably.
=onesto=, honest, chaste, just.
=onorato=, honored.
=onore=, _m._, honor.
=onorificenza=, honor.
=opaco=, opaque, obscure.
=operatore=, _m._, operator, surgeon.
=operoso=, active, diligent.
=opporre=, to oppose;
=----si=, to offer resistance.
=opportuno=, expedient.
=oppose=, _pret. of_ =opporre=.
=opposizione=, opposition.
=opposto=, opposite.
=oppressione=, _f._, oppression, stifling, difficulty.
=ora= (=or=), now; hour.
=orciuolo=, pitcher, jug, jar.
=orco=, ogre.
=ordinare=, to order, command.
=ordinariamente=, usually.
=ordinario=, ordinary, usual.
=ordine=, _m._, order.
=orecchi -o=, =-a=, ear.
=orgoglioso=, proud, haughty.
=origine=, _f._, origin, source.
=oriundo=, native, original;
=---- francese=, of French extraction.
=orizzonte=, _m._, horizon.
=ormai=, now, henceforward.
=ornare=, to adorn.
=ornato=, ornament; ornate.
=oro=, gold.
=orribile=, horrible, fearful.
=orrore=, _m._, horror.
=orsù!= come now! come on!
=ortica=, nettle, malicious person.
=orto=, garden, kitchen-garden.
=osare=, to dare.
=oscillare=, to oscillate, tremble.
=ospedale=, _m._, hospital, asylum.
=ospitalità=, hospitality.
=ospizio=, asylum.
=osservare=, to observe.
=osservazione=, observation.
=ostacolo=, obstacle.
=osteggiare=, to attack.
=ostinarsi=, to be obstinate, persist.
=ostinatello=, rather obstinate, stubborn.
=ostrica=, oyster.
=ottenere=, to obtain, succeed.
=ottimo=, excellent.
=otto=, eight.
=ottobre=, _m._, October.
=ove=, where.
=ovo= (_pl. f._, =ova=), egg.