unlikely
un-like-ly
adjective
Not probable or expected to happen; improbable or doubtful.
"It's unlikely she will win the lottery."
adverb
In a manner that is not probable or expected to occur.
"Unlikely as it seems, she won the prize."
Thesaurus
Synonyms: remote, outside, far-fetched, last, farfetched, implausible, unbelievable, unconvincing, improbable, supposed