なさそう

(1)not likely to be true or to occur or to have occurred; "legislation on the question is highly unlikely"; "an improbable event"

(2)真実でなさそうな、起こりそうにない、起こりそうになかった

(3)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"

(4)可能性がほとんどない、困難であるまたは発生するさま

(1)