77 synonyms for spark such as brio, atom, animation, and bounce. Spark is a noun, and its antonyms are extinguish and douse.
Atom, bit, crumb, drop, flicker, fragment, glimmer, grain, hint, iota, jot, jot or tittle, mite, modicum, morsel, ounce, particle, scantling, scintilla, scruple, shred, smidge, smidgen, speck, spot, stim, suggestion, suspicion, tad, tittle, touch, trace, vestige, whisper, and whit.
Animation, bounce, brio, dash, drive, dynamism, ebullience, effervescence, elan, energy, enthusiasm, exuberance, feistiness, fire, fizz, get-up-and-go, go, gumption, gusto, high spirits, initiative, life, liveliness, oomph, panache, pep, pizzazz, push, snap, sparkle, spirit, spiritedness, verve, vigour, vim, vitality, vivacity, zeal, zest, zing, and zip.