Synonyms for Rushing:

adj.

active (adjective)
running.
fast (adjective)
fleet, snappy, fast, hasty, galloping, hurrying, allegro, swift, quick, expeditious, breakneck, light-footed, rapid, dashing, nimble, speedy, presto.
hasty (adjective)
fleet, impatient, galloping, abrupt, dashing, bustling, fast, flying, breakneck, darting, speedy, pelting, running, rapid, brisk, hasty, swift, feverish, urgent, breathless, hurried, quick.
hurrying (adjective)
hasty, hastening.
moving with great speed (adjective)
flying, scurrying, driving, dashing, racing, moving, running, darting.
speeding (adjective)
racing.

n.

driving. act (noun)
rush.
rushing (noun)
hurry, moving, rush, haste.

v.

hastening (verb)
quickening, hastening, accelerating, urging, Expediting, Hustling, hurrying, pushing, speeding, Flurrying, spurring.
running (verb)
scurrying, tearing, jogging, Trotting, Scrambling, bounding, cantering, Sprinting, Loping, Plunging, racing, scampering, scooting.
speeding (verb)
galloping, hurrying, speeding, dashing.

Other synonyms:

Other relevant words:
hurry, moving, rush, haste.

Usage examples for rushing

  1. Meanwhile the bull was rushing on. – Maiwa's Revenge The War of the Little Hand by H. Rider Haggard
  2. She could hardly keep herself from rushing off- back to Brown's Buildings at once. – Marcella by Mrs. Humphry Ward
  3. But at last we made the final turn, and entered upon a narrow green valley, with a bold, clear stream rushing over and between the rocks that filled its bed. – The Head Hunters of Northern Luzon From Ifugao to Kalinga A Ride Through the Mountains of Northern Luzon With an Appendix on the Independence of the Philippines by Cornelis De Witt Willcox