Bitter and Rigorous

Bitter adjective - Difficult to endure.

Rigorous is a synonym for bitter in painful topic. In some cases you can use "Rigorous" instead an adjective "Bitter", when it comes to topics like inclement.

Nearby Words: bitterness, bitterly, bittern, bitterish

Rigorous adjective - Given to exacting standards of discipline and self-restraint.

Bitter is a synonym for rigorous in inclement topic. Sometimes you can use "Bitter" instead an adjective "Rigorous", if it concerns topics such as severe.

Nearby Words: rigorously, rigor, rigour, rigorism