remove (a need or difficulty)

"A peaceful solution would obviate the need to send a military force"

Synonyms:preclude, prevent, remove

avoid or prevent (something undesirable)

"He has obviated smoking"

to block something

"Make-up can occlude the pores"

Synonyms:block, stop, obstruct, clog

Synonyms:supernatural, mystical, magical

Synonyms:peculiar, queer, eccentric, outlandish, offbeat, freakish, oddity

extremely unpleasant; repulsive

Synonyms:repulsive, repellant, repugnant, hateful

Synonyms:abhor, detest, hate, loathe, execrate, distaste

differing from the usual or expected; unconventional

unnecessarily or obtrusively ready to offer advice or services

Synonyms:meddlesome

an event to tell something about future

"Dreadful omens"

Synonyms:portent

giving the threating impression that something bad is going to happen

Synonyms:threatening, menacing, baleful, forbidding, sinister, doomy

difficult to do or needing a lot of effort

Synonyms:burdersome, herculean, taxing, arduous

Synonyms:attack, assault, raid

the responsibility or duty to do something

"The onus is on the police to maintain law and order"

Synonyms:responsibility, obligation, liability, burden

Synonyms:cloudy, blurred

Antonyms:transparent, translucent, clear

(of time) convenient or favorable

"An opportune time for investment"

a very unpleasant and painful or difficult experience

"The hostages' ordeal came to an end when soldiers stormed the building"

Synonyms:trial, tribulation

(of habits or ideas) fixed and unable to change

exclude from a society or group of people

Synonyms:banish

serving no practical purpose or result

Synonyms:purposeless, superfluous

to force someone to leave a power, job, place, or competition

"The president was ousted (from power) in a military coup last year"