FERVENT

fervent, fervid

(adjective) (archaic) extremely hot, burning, or glowing; “the fervent heat...merely communicated a genial warmth to their half-torpid systems”- Nathaniel Hawthorne; “set out...when the fervid heat subsides”- Frances Trollope

ardent, fervent, fervid, fiery, impassioned, perfervid, torrid

(adjective) characterized by intense emotion; “ardent love”; “an ardent lover”; “a fervent desire to change society”; “a fervent admirer”; “fiery oratory”; “an impassioned appeal”; “a torrid love affair”

Source: WordNet® 3.1

Etymology

Adjective

fervent (comparative more fervent, superlative most fervent)

Exhibiting particular enthusiasm, zeal, conviction, persistence, or belief.

Having or showing emotional warmth, fervor, or passion.

Glowing, burning, very hot.

Source: Wiktionary

Fer"vent, a. Etym: [F. fervent, L. fervens, -entis. p.pr. of fervere o the boiling hot, to boil, glow.]

1. Hot; glowing; boiling; burning; as, a fervent summer. The elements shall melt with fervent heat. 2 Pet. iii. 10.

2. Warm in feeling; ardent in temperament; earnest; full of fervor; zealous; glowing. Not slothful in business; fervent in spirit. Rom. iii. 11. So spake the fervent angel. Milton. A fervent desire to promote the happiness of mankind. Macaulay.

– Fer"vent*ly, adv.

– Fer"vent*ness, n. Laboring fervently for you in prayers. Col. iv. 12.

Source: Webster’s Unabridged Dictionary 1913 Edition