неуместный(While he is careful not to rock the boat with any ill-timed criticism, there is clearly some frustration that he is not being used to maximum effect. CCDI Alexander Demidov)
некстати("He saw that his mirth had been ill-timed. He reassembled the features, ironing out the smile." (P.G. Wodehouse) – Он понял, что его веселье пришлось некстати.ART Vancouver)