whispers, scuttlebutt, grumbling, rumors, chatter, murmurs, dissension, stirrings, grousing, griping, speculation, noises, buzz, ructions, discontent, hubbub, bellyaching, protestations, hints, clamor, feelers, groundswell, grapevine, reverberations, tumult, hullabaloo, misgivings, angst, howls, carping, disquiet, overtures, rumours, squabbles, indications, backlash, concerns, disgruntlement, squawking, discord, undercurrent, uneasiness, jitters, unease, whining, hullaballoo, rift, commotion, gnashing, brouhaha, bleating, criticisms, infighting, outcries, chirping, pushback, cries, disharmony, shenanigans, ruckus, doubts, vibes, consternation, groans, crowing, fretting, brewing, doubters, tensions, sturm und drang, upheaval, voices, contretemps, fears, ripples, acrimony, snickers, troubles, kerfuffle, jockeying, disagreements, skirmishes, squeaks, controversy, drumbeat, fissures, moaning, shakeup, bubbling, discussions, inkling, shockwaves, revelations, worries, yapping, nervousness, wrangles, bitching, dissatisfaction, drumfire, goings, lamentations, rumbling, mutterings, grumblings, rumble, gurgling, rumbles, growls, murmuring, growling, murmurings, concussions, twinges, whispering, knocks

ominous, planetary