improbable meaning and definition

IMPROBABLE adjective

Definition of improbable (adjective)

1. not likely to be true or to occur or to have occurred
   • "legislation on the question is highly unlikely"; "an improbable event"
   • synonyms: unlikely
   • antonym: likely
2. having a probability too low to inspire belief
   • synonyms: unbelievable, unconvincing, unlikely
3. too improbable to admit of belief
   • "a tall story"
   • synonyms: marvellous, marvelous, tall