1.  Trouble; vexation; also, physical pain or smart of a sore, etc. [1913 Webster]
"I made the experiment, setting the moxa where . . . the greatest anger and soreness still continued." [1913 Webster]

2.  A strong passion or emotion of displeasure or antagonism, excited by a real or supposed injury or insult to one's self or others, or by the intent to do such injury. [1913 Webster]
"Anger is like
A full hot horse, who being allowed his way,
Self-mettle tires him." [1913 Webster]

1.  To make painful; to cause to smart; to inflame. [1913 Webster]
"He . . . angereth malign ulcers." [1913 Webster]

2.  To excite to anger; to enrage; to provoke. [1913 Webster]
"Taxes and impositions . . . which rather angered than grieved the people." [1913 Webster]

anger, n. & v.
--n. extreme or passionate displeasure.
--v.tr. make angry; enrage.

Etymology:
ME f. ON angr grief, angra vex

N  excitability, impetuosity, vehemence, boisterousness, turbulence, impatience, intolerance, nonendurance, irritability, itching, wincing, disquiet, disquietude, restlessness, fidgets, fidgetiness, agitation, trepidation, perturbation, ruffle, hurry, fuss, flurry, fluster, flutter, pother, stew, ferment, whirl, buck fever, hurry-skurry, thrill, state of excitement, fever of excitement, transport, passion, excitement, flush, heat, fever, heat, fire, flame, fume, blood boiling, tumult, effervescence, ebullition, boiling over, whiff, gust, story, tempest, scene, breaking out, burst, fit, paroxysm, explosion, outbreak, outburst, agony, violence, fierceness, rage, fury, furor, furore, desperation, madness, distraction, raving, delirium, phrensy, frenzy, hysterics, intoxication, tearing passion, raging passion, anger, fascination, infatuation, fanaticism, Quixotism, Quixotry, tete montee, excitable, easily excited, in an excitable state, high-strung, irritable, impatient, intolerant, feverish, febrile, hysterical, delirious, mad, moody, maggoty- headed, unquiet, mercurial, electric, galvanic, hasty, hurried, restless, fidgety, fussy, chafing, startlish, mettlesome, high-mettled, skittish, vehement, demonstrative, violent, wild, furious, fierce, fiery, hot-headed, madcap, overzealous, enthusiastic, impassioned, fanatical, rabid, rampant, clamorous, uproarious, turbulent, tempestuous, tumultuary, boisterous, impulsive, impetuous, passionate, uncontrolled, uncontrollable, ungovernable, irrepressible, stanchless, inextinguishable, burning, simmering, volcanic, ready to burst forth, volatile, excited, exciting, Int, pish!, pshaw!, noli me tangere, filled with fury, rapt, inspir'd, maggiore fretta minore atto.

N  resentment, displeasure, animosity, anger, wrath, indignation, exasperation, bitter resentment, wrathful indignation, pique, umbrage, huff, miff, soreness, dudgeon, acerbity, virulence, bitterness, acrimony, asperity, spleen, gall, heart-burning, heart-swelling, rankling, ill humor, bad humor, ill temper, bad temper, irascibility, ill blood, revenge, excitement, irritation, warmth, bile, choler, ire, fume, pucker, dander, ferment, ebullition, towering passion, acharnement, angry mood, taking, pet, tiff, passion, fit, tantrums, burst, explosion, paroxysm, storm, rage, fury, desperation, violence, fire and fury, vials of wrath, gnashing of teeth, hot blood, high words, scowl, sulks, affront, provocation, offense, indignity, grudge, crow to pluck, bone to pick, sore subject, casus belli, ill turn, outrage, Furies, Eumenides, buffet, slap in the face, box on the ear, rap on the knuckles, angry, wrath, irate, ireful, wrathful, cross, Achillean, sulky, bitter, virulent, acrimonious &c (discourteous), violent, warm, burning, boiling, boiling over, fuming, raging, foaming, foaming at the mouth, convulsed with rage, offended, waxy, acharne, wrought, worked up, indignant, hurt, sore, set against, fierce, wild, rageful, furious, mad with rage, fiery, infuriate, rabid, savage, relentless, flushed with anger, flushed with rage, in a huff, in a stew, in a fume, in a pucker, in a passion, in a rage, in a fury, in a taking, in a way, on one's high ropes, up in arms, in high dudgeon, angrily, in the height of passion, in the heat of passion, in the heat of the moment, Int, tantaene animis coelestibus irae!, marry come up!, zounds!, 'sdeath!, one's blood being up, one's back being up, one's monkey being up, fervens difficili bile jecur, the gorge rising, eyes flashing fire, the blood rising, the blood boiling, haeret lateri lethalis arundo, beware the fury of a patient man, furor arma ministrat, ira furor brevis est, quem Jupiter vult perdere dementat prius, What, drunk with choler?.

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.