Synonyms of fervent

1 Syllable
keen, hot, pious, warm
2 Syllables
earnest, glowing, keener, blazing, avid, burning, thirsting, tender, heated, ardent, serious, zealous, devout, athrill, valuing, scorchin, fiery, heartfelt, soulful, gung-ho, wild-eyed, rabid, mad-dog, keenest, hearty, loving, ultraist, raver, eager, smoking, fervid
3 Syllables
religious, enthused, hotblooded, warmhearted, eloquent, hot-blooded, perfervid, unfeigned, appetent, sincere, overboard, vehement, heart-and-soul, ecstatic, sisterly, warm-hearted, warmblooded, excited, orgasmic, intense
4 Syllables
highpowered, high-pressure, enthusiastic, amative, impassioned, iron-willed, lovey-dovey, anacreontic, emotional, passionate, responsive, fanatical, wholehearted, amatory, corybantic, animated, all-consuming
5 Syllables
evangelistic