
irk | irk: v. irritate, annoy, vex, pester, provoke, chafe, nettle, exasperate, Colloq needle, miff, aggravate, bug, peeve, rub (someone) (up) the wrong way, put out: It really irks me to know that we lost because we didn''t practise.
irksome | irksome: adj. irritating, annoying, vexing, vexatious, chafing, nettling, exasperating, bothersome, troublesome, burdensome, tiresome, tedious, boring, wearisome, uninteresting, Colloq aggravating, pestiferous: The mosquitoes are particularly irksome on muggy, windless evenings.
irregular | irregular: adj. 1 uneven, bumpy, lumpy, coarse, rough, unequal, unsymmetrical, asymmetric(al), pitted, potholed, jagged, craggy, lopsided: The irregular surface of the road bounced us about in the car. 2 sporadic, uneven, random, erratic, unequal, fitful, haphazard, unsystematic, unsystematized, disorderly, uncertain, unmethodical; occasional, casual: In the distance I could hear the staccato of irregular machine-gun fire. 3 extraordinary, unusual, eccentric, abnormal, anomalous, aberrant, unnatural, peculiar, queer, odd, weird, bizarre, strange, singular, nonconforming, nonconformist, exceptional, unconventional, offbeat, uncommon, freakish, Colloq freaky: Don''t you think that keeping a Komodo dragon as a pet is somewhat irregular?
irrelevant | irrelevant: adj. inappropriate, inapplicable, impertinent, unrelated, alien, inapposite, malapropos, beside the point, inapt, non-germane, unconnected, extraneous, neither here nor there, out of place, gratuitous, uncalled-for, Colloq out of the blue, off the beam, Slang off-the-wall: The name of the person who asked the question is entirely irrelevant.
irrepressible | irrepressible: adj. unrestrainable, irrestrainable, uncontainable, uncontrollable, unmanageable, insuppressible or unsuppressible, unstoppable, ebullient, buoyant, effervescent, bubbling, boisterous: Nothing could dampen our irrepressible high spirits after winning the game.
irreproachable | irreproachable: adj. blameless, unimpeachable, beyond reproach, unreprovable, faultless, innocent, above suspicion, impeccable, inculpable, honest, pure: Till now, Forsyth''s record in the army has been irreproachable.
irresistible | irresistible: adj. 1 irrepressible, unconquerable, indomitable, overpowering, unbearable, overwhelming, overriding, unmanageable, ungovernable, uncontrollable: I had an irresistible desire to punch him in the nose. 2 unstoppable, inexorable, relentless, unavoidable, ineluctable, inescapable: What happens when an irresistible force meets an immovable object?
irresolute | irresolute: adj. vacillating, wavering, faltering, indecisive, infirm of purpose, in or US only of two minds, undecided, hesitant, hesitating, shifting, changing, erratic, uncertain, unsure, undetermined, unresolved, half-hearted, Colloq wishy-washy: You must act; this is no time to be irresolute.
irrespective of | irrespective of: prep. regardless of, notwithstanding, despite, apart from, in spite of, without regard to, ignoring, discounting: We shall carry on irrespective of public opinion.
irresponsible | irresponsible: adj. careless, reckless, devil-may-care, unanswerable, unaccountable, non-liable, rash, unruly, wild; unreliable, undependable, untrustworthy, weak, feckless, ineffectual: Cyril is too irresponsible to take care of the children by himself.
irretrievable | irretrievable: adj. 1 non-retrievable, unretrievable, unrecoverable, irrecoverable, unsalvageable, unsavable, lost, irreclaimable: The data that was deleted is now irretrievable. 2 irreparable, irremediable, uncorrectable, unrectifiable, irredeemable, irreversible, irrevocable: The radiation from the atomic blast did irretrievable damage.
irreverent | irreverent: adj. 1 blasphemous, impious, profane, sacrilegious, unholy, ungodly, irreligious: She was reprimanded for her irreverent attitude to morning prayers. 2 disrespectful, insulting, insolent, rude, discourteous, uncivil, derisive, impudent, impertinent, saucy, flippant, mocking, tongue-in-cheek, Colloq flip, cheeky: The prince did not appreciate being the butt of the irreverent skit.
irreversible | irreversible: adj. unreversible, non-reversible, irrevocable, unchangeable, unalterable, permanent, fixed, final, unrepealable, irredeemable, irretrievable: Burning, essentially the chemical process of rapid oxidation, is irreversible.
irrevocable | irrevocable: adj. irreversible, unchangeable, immutable, changeless, fixed, unalterable, settled, unrecallable, irretrievable, irrepealable, not undoable; irreparable, permanent, enduring, everlasting: The colonel says that his was an irrevocable order. That speech did you irrevocable harm.
irritable | irritable: adj. impatient, excitable, testy, touchy, quarrelsome, grouchy, fretful, peevish, cross, crabby, crusty, short-tempered, petulant, prickly, irascible, moody, temperamental, gruff, cantankerous, curmudgeonly, dyspeptic, bad-tempered, ill-tempered, ill-humoured, snappy or snappish, grumpy or Brit also grumpish, Colloq crotchety, US and Canadian and Irish cranky: Why are you always so irritable before breakfast?
irritate | irritate: v. annoy, vex, nettle, pester, provoke, bother, anger, enrage, chafe, pique, exasperate, ruffle, hector, harass, harry, nag, plague, worry, fret, fluster, trouble, pick at or on, Colloq needle, get under (someone''s) skin, get in (someone''s) hair, hassle, peeve, get on (someone''s) nerves, drive (someone) up the wall, get (someone''s) hackles up, get (someone''s) back up, drive (someone) crazy or mad, rub (someone) (up) the wrong way, Brit get up (someone''s) nose, US burn (someone) up: All these stupid questions are beginning to irritate me.
