Synonyms to siss

effervesce, assibilate, be enthusiastic, blubber, boil, boil over, bubble, bubble over, bubble up, burble, buzz, carry on over, enthuse, ferment, fizz, fizzle, go on over, guggle, gurgle, gush, gush over, hiss, hush, lisp, make much of, plop, rave, rave about, rhapsodize, seethe, shush, sibilate, simmer, sizz, sizzle, sneeze, sniff, sniffle, snore, snort, snuff, snuffle, sparkle, spit, splutter, sputter, squash, squelch, squish, swish, take on over, wheeze, whish, whistle, whiz, whoosh, work, zip, effervescence, ado, agitation, animation, assibilation, boiling, breeziness, briskness, brouhaha, bubbliness, bubbling, buoyancy, bustle, carbonation, commotion, disturbance, ebullience, ebulliency, ebullition, eddy, effervescency, effervescing, embroilment, energy, exuberance, feery-fary, fermentation, fizzing, fizzling, flurry, foaming, frication, frictional rustling, frothiness, frothing, fume, hissing, hurly-burly, hurry, hurry-scurry, hushing, life, liveliness, moxie, pell-mell, pep, peppiness, perturbation, piss and vinegar, pizzazz, rhonchus, ruffle, shushing, sibilan