UNLIKELY

1. [a] has little chance of being the case or coming about; "an unlikely story"; "an unlikely candidate for reelection"; "a butcher is unlikely to preach vegetarianism"

2. [a] not likely to be true or to occur or to have occurred; "legislation on the question is highly unlikely"; "an improbable event"

3. [s] having a probability to low to inspire belief

similar words

1. [s] farfetched

2. [s] implausible

3. [s] last

4. [s] outside

5. [s] remote

6. [s] supposed(a)

7. [a] implausible

opposite words

1. [a] likely

2. [a] probable

3. [a] likely

4. [a] plausible