Synonyms of fireball

1 Syllable

firm, strong, staunch, grind

2 Syllables

comet, patient, jumping, plodding, beavers, zealous, hyper, perky, beaver, wild-eyed, plugging, constant, go-go, steady, dogged

3 Syllables

ambitious, self-starter, go-getter, unflagging, persistent, continuing, continued, tireless, capable, unflinching, unstinted, unfailing, meteoroid, tenacious, bolide, unswerving, unwearied, devoted, dynamo, grenade, competent, untiring, incessant, unceasing

4 Syllables

unfaltering, unwavering, resolute, undeterred, unremitting, dedicated, pertinacious, goal-oriented, meteorite

5 Syllables

indomitable, inexhaustible

6 Syllables

indefatigable