Doubtful and Off-colour

Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.

Off-colour and doubtful are semantically related. In some cases you can replace phrase "Off-colour" with "Doubtful", this terms are similar.

Nearby Words: doubt, doubtless, doubting, doubtfulness, doubted

Off-colour adjective - In violation of good taste even verging on the indecent.

Doubtful and off-colour are semantically related. Sometimes you can use "Doubtful" instead an adjective phrase "Off-colour".