2 synonym groups for Outburst

explosion, eruption, outburst, surge, flare-up, flash, spurt, blast, burst, rush, spike, upsurge, outbreak, blaze, detonation, discharge, volley, paroxysm, fit, flare, gush, jet, squirt, torrent, wave, flood, deluge, storm, tempest, gale, gust, squall, blaze-up, flare-out, blowout, blowup, burst-out, burst-forth, burst-up, burst-in, burst-on, burst-over, burst-through, burst-into, burst-away, burst-back, burst-down, burst-off, burst-outward, burst-upward [x]

eruption, explosion, burst, flare-up, outbreak, surge, blowup, fit, tantrum, paroxysm, frenzy, spasm, convulsion, blaze, storm, upheaval, commotion, disturbance, flare, flash, blast, discharge, gush, rush, torrent, flood, cascade, deluge, spurt, jet, spew, effusion, emission, release, vent, exclamation, cry, shout, yell, scream, roar, bellow, howl, shriek, screech, wail, yelp, holler [x]