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- pronunciation:
- ih
reg
y
l r
- parts of speech:
- adjective, noun
- features:
- Word Combinations (adjective, noun), Word Explorer, Word Parts
part of speech: |
adjective |
definition 1: |
uneven in shape, arrangement, surface, or the like.
These handmade bowls are slightly irregular in shape.The wall has an irregular surface.- synonyms:
- asymmetrical, uneven
- antonyms:
- regular
- similar words:
- baroque, bent, bumpy, crooked, jagged, rough
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definition 2: |
uneven in occurrence, frequency, or duration.
We meet on an irregular basis.- synonyms:
- erratic, fitful, inconsistent
- antonyms:
- regular, steady
- similar words:
- anomalous, capricious, casual, desultory, inconstant, infrequent, intermittent, periodic, random, spasmodic, uneven, unpredictable, variable
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definition 3: |
lacking an established pattern or principle.
He eats at irregular times.The spacing of the chairs was irregular.- synonyms:
- erratic, inconsistent, uneven
- antonyms:
- consistent, regular
- similar words:
- anomalous, capricious, changeable, fickle, inconstant, unpredictable, variable
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definition 4: |
not conforming to a standard, as of law, propriety, method, or custom.
The defense attorney's request was somewhat irregular, but the judge granted it.- synonyms:
- aberrant, deviant, noncompliant, unconventional, unorthodox
- antonyms:
- regular
- similar words:
- abnormal, anomalous, deviate, eccentric, odd, offbeat, singular
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definition 5: |
in grammar or spelling, being an exception to the general rules, as of inflection.
"Went" and "bought" are irregular verbs.- antonyms:
- regular
- similar words:
- exceptional, unpredictable
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definition 6: |
of troops, not belonging to the regular army of a nation.
Irregular forces played a large part in the battle. |
definition 7: |
of manufactured articles, not uniform or conforming to a standard.
The price was marked down because the coat was slightly irregular.- similar words:
- defective, flawed, imperfect, inferior, rejected
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related words: |
checkered, cull, erratic, fitful, inconsistent, informal, inhuman, lopsided, occasional, peculiar, ragged, rugged, spotty, unbalanced, wayward |
adverb + (adj.)irregular
highly, slightly, somewhat
(adj.)irregular
+ noun
asteroid,
astronomer,
attendance,
band,
beat,
beating,
border,
boundary,
bump,
cadence,
cavalry,
chamber,
channel,
chunk,
circle,
clock,
contour,
curve,
cycle,
disk,
distribution,
edge,
employment,
enhancement,
flagstone,
flap,
flow,
force,
form,
formation,
gain,
galaxy,
habit,
heart,
heartbeat,
hour,
infertility,
interval,
jumble,
loop,
lump,
mass,
menstruation,
meter,
moon,
motion,
nebula,
outline,
participle,
patch,
patchwork,
pattern,
payment,
period,
profile,
pulse,
rainfall,
rectangle,
rhythm,
ridge,
salary,
satellite,
schedule,
seizure,
shadow,
shape,
shift,
sleep,
spot,
stone,
stream,
string,
stripe,
structure,
surface,
texture,
topography,
transaction,
triangle,
troop,
uniform,
vacancy,
variation,
verb,
vessel,
warfare
[See all][See only the most frequent]
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part of speech: |
noun |
definition 1: |
that which is irregular.
- synonyms:
- anomaly, peculiarity, variance
- similar words:
- curiosity, deviant, eccentric, inconsistency, maverick, misfit, nonconformist, oddball, rarity, rough
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definition 2: |
a soldier who does not belong to the established military force of a nation or region.
- synonyms:
- guerrilla
- antonyms:
- regular
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definition 3: |
a piece of merchandise that has an imperfection or is below standard.
There is a special sale on irregulars this week.- synonyms:
- second
- similar words:
- reject
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related words: |
cull, partisan |
adjective + (n.)irregular
iraqi, serbian
verb + (n.)irregular
appear, classify, orbit
noun + (n.)irregular

army, dwarf, militia, planet, ragtag, rifle
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derivation: |
irregularly (adv.) |
The word irregular
contains the following parts:
in-2
Latin
prefix
that means not, without
  More about this word part:
The prefix in-2 occurs in Latin loanwords and attaches to Latinate bases. The bases of most words prefixed with in-2 are independent
adjectives ( inadvertent
, incognizant
), although the base adjective may no longer be in widespread use (as with incessant
). Exceptions include iniquitous
and indignant
. -in 2 has multiple forms, as the 'n' sound in in-2 assimilates to the initial sound of the base to which it is attached. See the assimilated forms ig-, il-2, im-2, and ir-2.
  Example words:
inaccurate, inadvertent, inalienable, inanimate, inappropriate, inapt, inarticulate, inaudible, inauspicious, incapable, incessant, incest, incognito, incognizant, incommensurate, incommodious, incompetent, incomplete, incomprehensible, inconceivable, inconclusive, incongruous, inconsiderate, inconsonant, inconspicuous, inconvenient, incorporeal, incorrect, incorrigible, incorrupt, incredible, incredulous, incurable, indecorous, indefeasible, indefinite, indelible, indemnify, independence, independent, indescribable, indestructible, indignant, indirect, indispose, indistinct, individual, indivisible, indolent, indomitable, indubitable, inedible, ineffable, inefficient, ineluctable, inept, inequality, inequity, ineradicable, inert, inevitable, inexorable, inexpensive, inexpiable, inexplicable, infallible, infamous, infelicitous, infidel, infidelity, infinite, infinitesimal, infirmity, informal, infrequent, inimical, inimitable, iniquitous, iniquity, injure, injury, innocuous, innominate, inordinate, insane, insatiable, inscrutable, inseparable, insipid, insolent, insomnia, insouciant, insuperable, intangible, interminable, intractable, intransigent, intransitive, intrepid, invaluable, inveracity, invincible, invisible, irregular
ir-2
Latin
prefix
that means not, without
  More about this word part:
The prefix ir-2 occurs in Latin loanwords. It is an assimilated form of in-2 used before base words that begin with 'r.' See in-2
  Example words:
reg, rect, rig1
Latin
root
that means king, rule, guide; straight
  Example words:
correct, corrigible, direct, direction, director, dirigible, erect, incorrigible, irregular, rectangle, rectify, rectitude, rector, regal, regalia, regent, regicide, regime, regimen, regiment, region, regular, regulate, regulation
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