gnash

• POS: Noun, Verb (usu participle), Verb (transitive)

CIDE DICTIONARY

gnash, v. t. [OE. gnasten, gnaisten, cf. Icel. gnastan a gnashing, gnsta to gnash, Dan.knaske, Sw. gnissla, D. knarsen, G. knirschen.].

 To strike together, as in anger or pain; as, to gnash the teeth.  [1913 Webster]

gnash, v. i. 

 To grind or strike the teeth together.  [1913 Webster]
"There they him laid,
Gnashing for anguish, and despite, and shame."  [1913 Webster]

OXFORD DICTIONARY

gnash, v. & n.
--v.
1 tr. grind (the teeth).
2 intr. (of the teeth) strike together; grind.
--n. an act of grinding the teeth.

Etymology

var. of obs. gnacche or gnast, rel. to ON gnastan a gnashing (imit.)

THESAURUS

gnash

bite, bolus, champ, chaw, chew, chew the cud, chew up, chomp, cud, gnaw, gob, grind, gum, masticate, morsel, mouth, mouthful, mumble, munch, nibble, nip, quid, ruminate, snap, swallow

ROGET THESAURUS

gnash

Resentment

VB resent, take amiss, take ill, take to heart, take offense, take umbrage, take huff, take exception, take in ill part, take in bad part, take in dudgeon, ne pas entendre raillerie, breathe revenge, cut up rough, fly into a rage, fall into a rage, get into a rage, fly into a passion, bridle up, bristle up, froth up, fire up, flare up, open the vials of one's wrath, pour out the vials of one's wrath, pout, knit the brow, frown, scowl, lower, snarl, growl, gnarl, gnash, snap, redden, color, look black, look black as thunder, look daggers, bite one's thumb, show one's teeth, grind one's teeth, champ the bit, champ at the bit, chafe, mantle, fume, kindle, fly out, take fire, boil, boil over, boil with indignation, boil with rage, rage, storm, foam, vent one's rage, vent one's spleen, lose one's temper, stand on one's hind legs, stamp the foot, stamp with rage, quiver with rage, swell with rage, foam with rage, burst with anger, raise Cain, have a fling at, bear malice, cause anger, raise anger, affront, offend, give offense, give umbrage, anger, hurt the feelings, insult, discompose, fret, ruffle, nettle, huff, pique, excite, irritate, stir the blood, stir up bile, sting, sting to the quick, rile, provoke, chafe, wound, incense, inflame, enrage, aggravate, add fuel to the flame, fan into a flame, widen the breach, envenom, embitter, exasperate, infuriate, kindle wrath, stick in one's gizzard, rankle, hit on the raw, rub on the raw, sting on the raw, strike on the raw, put out of countenance, put out of humor, put one's monkey up, put one's back up, raise one's gorge, raise one's dander, raise one's choler, work up into a passion, make one's blood boil, make the ears tingle, throw, into a ferment, madden, drive one mad, lash into fury, lash into madness, fool to the top of one's bent, set by the ears, bring a hornet's nest about one's ears.