Word.ws English Dictionary

Words That Start with IR

There are 132 words that start with IR on Word.ws, from 3 to 15 letters. The most common length is 11 letters (20 words). The words used most often are iron, irrelevant, irony, ironic and iris.

Meanings from Wiktionary. Not an official Scrabble, Words With Friends or Wordle word list.

3-letter words that start with IR

  • ire3n. Great anger; wrath; keen resentment.
  • irk7v. To irritate; annoy; bother.
  • iru3n. A West African condiment made from fermented locust beans.

4-letter words that start with IR

  • irie4adj. Cool, nice.
  • iris4n. A plant of the genus Iris, common in the northern hemisphere, and...
  • iron4n. A common, inexpensive metal, silvery grey when untarnished, that rusts...

5-letter words that start with IR

  • irate5adj. Extremely angry; wrathful; enraged.
  • irene5n. The hydrocarbon formed by dehydration of an irone.
  • irian5adj. Of or relating to the iris.
  • irked10adj. Annoyed.
  • iroko9n. Hardwood obtained from the species Milicia excelsa and, less...
  • irons5n. Shackles.
  • irony8n. The quality of a statement that, when taken in context, may actually...

6-letter words that start with IR

  • irenic8adj. Promoting or fitted to promote peace or peacemaking, especially over...
  • iritis6n. An inflammation of the iris.
  • ironed7adj. Proivided with, or strengthened by, iron; shod with iron.
  • ironer6n. Someone who irons, someone who does ironing.
  • ironic8adj. Characterized by or constituting (any kind of) irony.
  • irreal6adj. Synonym of intangible, immaterial, not composed of things, having no...

7-letter words that start with IR

  • iration7n. Creation.
  • irezumi18n. Traditional Japanese tattooing.
  • iridium10n. (uncountable) A chemical element with an atomic number of 77: a very...
  • irksome13adj. Marked by irritation or annoyance; disagreeable; troublesome by reason...
  • ironing8n. The act of pressing clothes with an iron, such as a steam iron.
  • ironist7n. Someone who uses irony in humor.
  • ironman9n. An extremely tough and strong athlete, especially one who competes in...

8-letter words that start with IR

  • ironbark14n. Any of several unrelated eucalypts that have dark, deeply furrowed bark.
  • ironclad11adj. Covered with iron, steel, or (loosely) any other tough metal...
  • ironhead12n. Synonym of knapweed.
  • ironical10adj. Characterized by or constituting (any kind of) irony.
  • ironside9n. One who is very strong and courageous.
  • ironware11n. Articles made of iron, as household utensils, tools, and the like.
  • ironweed12n. Any of certain species of the genus Vernonia of forbs and shrubs.
  • ironwood12n. Acacia esthrophiolata, Acacia excelsa, Acacia melanoxylon, Acacia...
  • ironwork15n. Anything made wholly or largely of iron, especially when used for...
  • irrealis8adj. Inflected to indicate that an act or state of being is not a fact.
  • irrigate9v. To supply (farmland) with water, by building ditches, pipes, etc.
  • irritant8adj. Causing irritation or inflammation.
  • irritate8v. To provoke impatience, anger, or displeasure in.

9-letter words that start with IR

  • irascible13adj. Easily provoked to outbursts of anger; irritable.
  • iridology14n. A form of alternative medicine involving the diagnosis of body ailments...
  • ironbound12adj. Bound with iron, ironclad.
  • ironsmith14n. A blacksmith (who makes articles from iron).
  • ironstone9n. Any ore of iron which is impure through the admixture of silica or clay.
  • ironworks16n. A factory in which iron is manufactured or iron goods are made.
  • irradiate10adj. Made brilliant or bright; irradiated, illuminated.
  • irregular10adj. Nonstandard; not conforming to rules or expectations.
  • irrigable12adj. Able to be irrigated.
  • irrigator10n. One who, or that which, irrigates.
  • irritable11adj. Capable of being irritated.
  • irritably14adv. In an irritable manner.
  • irritated10adj. Experiencing a feeling of irritation.
  • irruption11n. The action of irrupting or breaking into; a violent entry or invasion...
  • irruptive14adj. Having the quality of irrupting or making irruptions.

10-letter words that start with IR

  • irbesartan12n. An angiotensin II receptor antagonist used mainly for the treatment of...
  • iridescent13adj. Producing a display of lustrous, rainbow-like colors; prismatic.
  • irinotecan12n. A particular drug used in chemotherapy.
  • ironically15adv. In an ironic manner; in a way displaying irony.
  • ironmaking17n. The making of iron (from an ore).
  • ironmaster12n. A manufacturer of iron.
  • ironmonger13n. A retailer of hardware, tools, and household goods.
  • ironworker17n. A skilled construction worker who assembles the metal frame of...
  • irradiance13n. The act of irradiating; emission of rays of light.
  • irradiated12adj. Emitted outwards from a centre like rays.
  • irrational10adj. Not rational; unfounded, nonsensical or wrong-headed.
  • irrelevant13adj. Not relevant, as.
  • irreligion11n. The state of being irreligious; irreligious sentiment or thought.
  • irresolute10adj. Undecided or unsure how to act.
  • irreverent13adj. Lacking respect; not having or not showing respect for or seriousness...
  • irrigation11n. The act or process of irrigating, or the state of being irrigated...
  • irritating11adj. Causing irritation, annoyance or pain.
  • irritation10n. The act of irritating or annoying.
  • irritative13adj. Serving to excite or irritate.

11-letter words that start with IR

  • iridescence16n. The condition or state of being iridescent; exhibition of colors like...
  • ironmongery17n. Tools and hardware that can be bought in an ironmonger's shop.
  • ironworking19n. The making of useful or decorative items from iron.
  • irradiation12n. A process of sterilization whereby radiation is passed through a bag...
  • irredentism14n. A nationalistic doctrine advocating the annexation of foreign lands...
  • irredentist12n. Someone who calls for the seizure or recovery of territories or states...
  • irreducible16adj. Not able to be reduced or lessened.
  • irreducibly19adv. In an irreducible manner or state.
  • irrefutable16adj. Undeniable; unable to be disproved or refuted.
  • irrefutably19adv. In an irrefutable manner; beyond the possibility of refutation.
  • irregularly15adv. In an irregular manner; without rule, method, or order.
  • irrelevance16n. Lack of relationship with the topic at hand; lack of importance.
  • irrelevancy19n. The quality of being irrelevant or inapplicable; lack of pertinence or...
  • irreligious12adj. Having no relation to religion.
  • irremovable18adj. Not removable; immovable; inflexible.
  • irreparable15adj. Incapable of being repaired, amended, cured or rectified; unrepairable.
  • irreparably18adv. Such that it cannot be repaired.
  • irreverence16n. The state or quality of being irreverent; want of proper reverence...
  • irrevocable18adj. Unable to be retracted or reversed; final.
  • irrevocably21adv. In an irrevocable manner; in a manner which prevents the ability to be...

12-letter words that start with IR

  • irascibility19n. The quality of being irascible; irritability of temper.
  • irrationally15adv. In an irrational manner; without reason; in a manner contrary to reason.
  • irredeemable17adj. Not redeemable; not able to be restored, recovered, revoked, or escaped.
  • irredeemably20adv. In an irredeemable manner; beyond redemption.
  • irregularity16n. An instance of being irregular.
  • irrelevantly18adv. In an irrelevant manner.
  • irremediable17adj. Unable to be remedied, cured, corrected or repaired; irreparable...
  • irremediably20adv. In a manner, or to a degree, that precludes remedy, cure, or...
  • irresistible14adj. Impossible to resist.
  • irresistibly17adv. In an irresistible manner.
  • irresolution12n. Lack of resolution; lack of decision or purpose; vacillation.
  • irresolvable17adj. Impossible to resolve; insoluble.
  • irrespective19adj. Heedless, regardless.
  • irreverently18adv. In an irreverent manner.
  • irreversible17adj. Incapable of being reversed or turned about or back; incapable of being...
  • irreversibly20adv. In an irreversible manner.
  • irritability17n. The state or quality of being irritable; quick excitability.
  • irritatingly16adv. In an irritating way; in a manner causing irritation, or that irritates.
  • irrotational12adj. Not rotating or not pertaining to rotation.

13-letter words that start with IR

  • irrationalism15n. A philosophical movement formed as a cultural reaction against...
  • irrationalist13n. A practitioner or adherent of irrationalism.
  • irrationality16n. The state of being illogical or absurd.
  • irrecoverable20adj. Not recoverable; incapable of being recovered.
  • irrecoverably23adv. In an irrecoverable manner; beyond recovery.
  • irreplaceable19adj. Incapable of being replaced, especially because of uniqueness or...
  • irrepressible17adj. Not containable or controllable.
  • irrepressibly20adv. In a manner or to a degree that can not be repressed; in an...
  • irresponsible17adj. Lacking a sense of responsibility; performed or acting as though...
  • irresponsibly20adv. In an irresponsible manner; so as to be irresponsible.
  • irretrievable18adj. Not retrievable; irrecoverable; irreparable.
  • irretrievably21adv. In an irretrievable manner; irrecoverably.

14-letter words that start with IR

  • irreconcilable20adj. Unable to be reconciled; opposed; uncompromising.
  • irreconcilably23adv. In an irreconcilable manner; so as to preclude reconciliation.
  • irreducibility22n. The quality or degree of being irreducible.
  • irreproachable23adj. Free from blame, not open to reproach or criticism; blameless.
  • irreproducible21adj. That cannot be reproduced or duplicated.
  • irrespectively24adv. Without regard to conditions; not taking circumstances into...

15-letter words that start with IR

399 rare words that start with IR

The first 300 are shown.

Questions about these words

How many words that start with IR are there?
Word.ws lists 132 words that start with IR, plus 399 rare ones.
What are common words that start with IR?
iron, irrelevant, irony, ironic, iris, ironically, irene and irregular.
Which of the words that start with IR has the highest letter score?
irrespectively scores 24 points with the standard letter tile values.

Related word lists

Source and license

Word lists and meanings adapted from the Wiktionary entry of each word. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out names, abbreviations, misspellings and offensive words, and ordered the most common words by how often they appear in English (wordfreq). Meanings from Wiktionary; this is not an official Scrabble, Words With Friends or Wordle word list. Wiktionary data of 2026-09-02.

Cite this page: “Words That Start with IR: 132 Words by Length.” Word.ws, https://word.ws/words/starting-with-ir. Based on Wiktionary, CC BY-SA 4.0.