Synonyms for Crushing:

adj.

all (adjective)
devastating.
painful (adjective)
grievous, biting, agonizing, Besetting, horrendous, miserable, arduous, burdensome, smarting, bitter, annoying, bothersome, harrowing, piercing, stabbing, excruciating, Cramping, unbearable, disagreeable, offensive, uncomfortable, withering, aching, anguishing, trying, oppressive, Torturing., distressful, inflaming, grueling, chafing, throbbing, tormenting, painful, severe, cutting, odious, stinging, insufferable, Irksome, acute, sore, troublesome, irritating, cruel, wrenching, unpleasant, woeful, hurtful, aggravating, Gnawing.
trenchant (adjective)
devastating.

n.

pure, sound, good, in depth, total, outright, thorough, utter, resounding, unadulterated. acid, accusatory, acrid, acerbic, blistering, barbed, astringent, accusing, ad hominem. dire, profound, extreme, rigorous, awful, desperate, serious, grave. act (noun)
stifling, quelling, suppression.
crushing (noun)
destructive, quelling, stifling, suppression, devastating.

v.

defeating (verb)
trumping, conquering, Vanquishing, Capturing, Overcoming, Checkmating, overpowering, Triumphing, trouncing, whipping, Subjecting, Defeating, Overthrowing, mastering, Predominating, outplaying, beating, Outdoing, Subduing, winning, foiling, quelling, Routing, Surmounting, humbling, Overturning.
pulping (verb)
Mashing, bruising, Pulping, Squashing.

Other synonyms:

Other relevant words:
devastating, stifling, suppression, awful, dire, destructive.

Usage examples for crushing

  1. Never let him learn, more than you can help it, the crushing bitterness of fear. – Ernest Maltravers, Complete by Edward Bulwer-Lytton
  2. I said impatiently, crushing down my anger. – Historical Romances: Under the Red Robe, Count Hannibal, A Gentleman of France by Stanley J. Weyman
  3. She lay down at length with a vague sense of physical relief beneath her crushing weight of trouble. – The Bars of Iron by Ethel May Dell