improbable
adjective
1. not likely to be true or to occur or to have occurred
- an improbable event
Similar word(s): supposed, unlikely
2. having a probability too low to inspire belief
Similar word(s): implausible, unbelievable, unconvincing, unlikely
3. too improbable to admit of belief
Similar word(s): incredible, unbelievable, marvellous, marvelous, tall
Sentences with improbable as an adjective:
- It's highly improbable that aliens abducted you.
- Due to the loss of power, it is improbable that we will begin on time.