Words That Start With IR

113 words Words by letter Checked 9 Oct 2026

Here are 113 words that start with ir, from everyday words to rare ones that are still valid in word games. Common words come first with a short meaning, then the words are grouped by length, which helps with Wordle and crossword clues.

Words starting with ir: 113
Most used: iron
Shortest: ire
5 letter words: 5

Common words that start with ir

#	Word	Meaning	Letters
1	iron	a heavy ductile magnetic metallic element	4
2	irrelevant	having no bearing on or connection with the subject at issue	10
3	irony	witty language used to convey insults or scorn; ; ; --Jonathan Swift	5
4	ironic	humorously sarcastic or mocking	6
5	iris	plants with sword-shaped leaves and erect stalks bearing bright-colored flowers composed of three petals and...	4
6	ironically	contrary to plan or expectation	10
7	irregular	contrary to rule or accepted order or general practice	9
8	irrigation	supplying dry land with water by means of ditches etc	10
9	irresponsible	showing lack of care for consequences	13
10	irritating	causing irritation or annoyance	10
11	irrational	not consistent with or using reason	10
12	irritated	cause annoyance in; disturb, especially by minor irritations	9
13	irresistible	impossible to resist; overpowering	12
14	irritation	the psychological state of being irritated or annoyed	10
15	irrespective	in spite of everything; without regard to drawbacks	12
16	irons	metal shackles; for hands or legs	5
17	irregularities	behavior that breaches the rule or etiquette or custom or morality	14
18	irreversible	incapable of being reversed	12
19	ire	a strong emotion; a feeling that is oriented toward some real or supposed grievance	3
20	ironing	garments (clothes or linens) that are to be (or have been) ironed	7
21	irradiation	the condition of being exposed to radiation	11
22	irritable	easily irritated or annoyed	9
23	irritate	cause annoyance in; disturb, especially by minor irritations	8
24	irreplaceable	impossible to replace	13
25	irradiated	give spiritual insight to; in religion	10
26	ironed	press and smooth with a heated iron	6
27	irreparable	impossible to repair, rectify, or amend	11
28	irregularly	in an irregular manner	11
29	irrigated	supply with water, as with channels or ditches or streams	9
30	irritates	cause annoyance in; disturb, especially by minor irritations	9
31	irreverent	showing lack of due respect or veneration	10
32	iridescent	varying in color when seen in different lights or from different angles	10
33	irate	feeling or showing extreme anger	5
34	irrevocably	in an irrevocable manner	11
35	irrevocable	incapable of being retracted or revoked; - Shakespeare	11
36	irritability	an irritable petulant feeling	12
37	irked	irritate or vex	5
38	iridium	a heavy brittle metallic element of the platinum group	7
39	irrefutable	impossible to deny or disprove	11
40	ironclad	sheathed in iron plates for protection	8
41	irritant	something that causes irritation and annoyance	8
42	irreducible	incapable of being made smaller or simpler	11
43	irreconcilable	impossible to reconcile	14
44	irresponsibility	a form of untrustworthiness	16
45	irrelevance	the lack of a relation of something to the matter at hand	11
46	irks	irritate or vex	4
47	irrigate	supply with water, as with channels or ditches or streams	8
48	irregularity	behavior that breaches the rule or etiquette or custom or morality	12
49	irrationally	in an irrational manner	12
50	irrepressible	impossible to repress or control	13

3 letter words that start with ir

4 letter words that start with ir

iron
iris
irks
ires

5 letter words that start with ir

irony
irons
irate
irked
iroko

6 letter words that start with ir

ironic
ironed
irises
irking

7 letter words that start with ir

ironing
iridium
ironies
irksome

8 letter words that start with ir

irritate
ironclad
irritant
irrigate
ironwood
ironside
ironwork
ironical
ironbark

9 letter words that start with ir

irregular
irritated
irritable
irrigated
irritates
irritants
ironworks
ironstone
irascible
ironsides
irradiate
ironclads
irritably
irrigator
ironbound
irrigates
irruption

10 letter words that start with ir

irrelevant
ironically
irrigation
irritating
irrational
irritation
irradiated
irreverent
iridescent
irregulars
irradiance
irrigating
ironmonger
irreligion
irrigators
ironworker

11 letter words that start with ir

irradiation
irreparable
irregularly
irrevocably
irrevocable
irrefutable
irreducible
irrelevance
irreparably
irreverence
irritations
irreligious
iridescence
irradiating
irrelevancy
ironworkers
irrefutably
ironmongery
irreducibly
irredentist
irredentism
ironmongers

12 letter words that start with ir

irresistible
irrespective
irreversible
irritability
irregularity
irrationally
irresistibly
irreversibly
irredeemable
irregardless
irredeemably
irritatingly
irremediable
irreverently
irresolvable
irremediably

Filter all 113 words that start with ir

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All words that start with I
5 letter words that start with I
Other starts: ic, id, il, im, in, ine, ing, inter, io, is, it

Questions people ask

How many words start with ir?

This list has 113 words starting with ir, all from a standard word-game dictionary and all seen in real English text.

What are common words that start with ir?

iron, irrelevant, irony, ironic, iris, ironically, irregular, irrigation.

What 5 letter words start with ir?

irony, irons, irate, irked, iroko.

Source: the ENABLE word list (a public-domain dictionary used for word games), ranked by how often each word appears in English text (the open wordfreq project), with short meanings from Princeton WordNet. Offensive words are left out.