unlikely
adjective
[ ʌnˈlʌɪkli ]
• not likely to happen, be done, or be true; improbable.
• "an unlikely explanation"
Similar:
improbable,
not likely,
doubtful,
dubious,
unexpected,
beyond belief,
implausible,
questionable,
unconvincing,
remote,
far-fetched,
strained,
laboured,
unrealistic,
incredible,
unbelievable,
inconceivable,
unimaginable,
fantastic,
fabulous,
fanciful,
ridiculous,
absurd,
preposterous,
tall,
cock and bull,
hard to swallow/take,