O
o conj or
obedecer v to obey
obediencia nf obedience
obispo nm bishop
objetivo nm/adj objective, impartial
objeto nm object, thing
obligación nf obligation
obligado adj obliged, required
obligar v to obligate, force
obligatorio adj obligatory, compulsory
obra nf work, book, deed
obrar v to work, act
obrero nm/f worker, laborer
obrero adj working class
observación nf observation
observador nm observer
observar v to observe
obsession nf mania, obsession
obstáculo nm obstacle
obstante adj no + obstante nevertherless
obtener v to obtain
obviamente adv obviously
obvio adj obvious
ocasión nf opportunity, occasion
ocasional adj occasional, random
ocasionar v to occasion, bring about
occidental adj occidental, western
océano nm ocean
ochenta num eighty
ocho num eight
ocio nm leisure (time)
octubre nm October
ocultar v to hide
oculto adj hidden, occult
ocupación nf occupation, use
ocupado adj busy, occupied
ocupar v to occupy, use
ocurrencia nf idea, witty remark
ocurrir v to happen, occur
odiar v to hate
odio nm hatred
oeste nm West
offender v to offend
oferta nf offer, bid, supply
official adj,n official, authorized, officer
oficialmente adv officially
oficina nf office
oficio nm job, occupation, function
ofrecer v to offer, present
oh interj oh
oído nm hearing, ear
oír v to hear
ojalá adv I hope that
ojo nm eye
ola nf wave, billow
oler v to smell
olfato nm sense of smell
olla nf pot, kettle
olor nm smell, odor, fragrance
olvidar v to forget
olvido nm forgetfulness, omission
ómnibus nm bus
once num eleven
onda nf wave, ripple
opaco adj dull, opaque, heavy
opción nf option, choice
ópera nf opera
operación nf operation
operar v to operate
opinar v to think, be of the opinion
opinión nf opinion, view
oponer v to oppose
oportunidad nf opportunity, chance
oportuno adj opportune, timely
oposición nf opposition
optar v to choose, opt for
optimism nm optimism
optimista adj optimistic
óptimo adj optimum
opuesto adj opposite, contrary
oración nf prayer
oral adj oral
orar v to pray
órbita nf orbit, socket, field
oden nm/f order; sequence, religious
ordenado adj organized, clean
ordenar v to put in order, organize
ordinario adj vulgar, ordinary
oreja nf ear
orgánico adj organic
organism nm organization, organism, (human) body
organización nf organization
organizado adj organized
organizer v to organize
organizer v to organize
órgano nm organ
orgullo nm pride
orgulloso adj proud, arrogant
orientación nf orientation, direction
orientado adj positioned, guided
oriental adj eastern, oriental
orientar v guide, show the way
oriente nm East
origen nm origin, cause
original adj/nm original
originar v to give rise (to), cause
orilla nf shore, edge
oro nm gold
orquesta nf orchestra, dance band
os pron you
oscilar v oscillate
oscurecer v to get dark
oscuridad nf darkness
oscuro adj dark, obscure
oso nm bear
ostentar v to flaunt, show off
ontoño nm autumn
otorgar v to give, grant, award
otro adj other, another
oveja nf sheep, ewe
oxígeno nm oxygen
