Adjectives

(s)ardent, fervent, fervid, fiery, impassioned, perfervid, torridcharacterized 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”
(s)fervent, fervid(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)