fervent

Very hot; burning, scorching; also, glowing with heat.

Of cold: intense, severe. Of a drug: having an abundance of heat as one of the four qualities believed to be characteristic of all things; hot rather than cold, dry, or moist.

Of cold: intense, severe.

Of a drug: having an abundance of heat as one of the four qualities believed to be characteristic of all things; hot rather than cold, dry, or moist.

Of a person, or their actions, interests, or nature: exhibiting persistent belief or conviction, and enthusiasm or zeal; ardent, earnest, passionate.

Of a person, or their actions, interests, or nature: exhibiting persistent belief or conviction, and enthusiasm or zeal; ardent, earnest, passionate.

Of a thing such as a battle, unrest, etc.: intense, severe; also, of a wild animal: fierce.