unlikely

not likely to be true or to occur or to have occurred (adj.all)

Legislation on the question is highly unlikely

Sinonim: improbable

Antonim: likely, probable

Sumber: wordnet30

has little chance of being the case or coming about (adj.all)

An unlikely story

An unlikely candidate for reelection

A butcher is unlikely to preach vegetarianism

Antonim: likely

Sumber: wordnet30

Not likely; improbable; not to be reasonably expected; as, an unlikely event; the thing you mention is very unlikely. (adjective)

Sumber: webster1913

In an unlikely manner. (adverb)

Sumber: webster1913

having a probability too low to inspire belief (adj.all)

Sinonim: improbable, unbelievable, unconvincing

Sumber: wordnet30