Difficult and Doubtful

Difficult adjective - Requiring considerable physical or mental effort.

Doubtful and difficult are semantically related. In some cases you can use "Doubtful" instead an adjective "Difficult".

Nearby Word: difficulty

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

Difficult and doubtful are semantically related. Sometimes you can use "Difficult" instead an adjective "Doubtful".

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