Irregular definition

ĭ-rĕgyə-lər
Frequency:
Not straight, uniform, or symmetrical.

Irregular facial features.

adjective
11
1
Of uneven rate, occurrence, or duration.

An irregular heartbeat.

adjective
9
2
Contrary to rule, accepted order, or general practice.

Irregular hiring practices.

adjective
10
4
Not conforming to legality, moral law, or social convention.

An irregular marriage.

adjective
5
3
(grammar) Departing from the usual pattern of inflection, derivation, or word formation, as the present forms of the verb be or the plural noun children.
adjective
2
0
Advertisement
Not belonging to a permanent, organized military force.

Irregular troops.

adjective
2
0
A soldier, such as a guerrilla, who is not a member of a regular military force.
noun
2
0
Contrary to rule, accepted order, or general practice.

Irregular hiring practices.

adjective
2
0
Falling below the manufacturer's standard or usual specifications; imperfect.
adjective
2
1
Deviating from a type; atypical.
adjective
1
0
Advertisement
(botany) Having differing floral parts, as of a zygomorphic or asymmetric flower.
adjective
1
0
Uneven in occurrence or succession; variable or erratic.
adjective
1
0
One, such as an item of merchandise, that is irregular.
noun
1
1
The definition of irregular is something that doesn't conform to accepted or normal standards or that doesn't occur at regular intervals.

When you go to the doctor on no set schedule, this is an example of a situation where you make irregular visits to the doctor.

When you do not behave like your usual self, this is an example of a situation where your behavior is irregular.

adjective
0
0
Not conforming to established rule, method, usage, standard, etc.; out of the ordinary; anomalous.
adjective
0
0
Advertisement
Not conforming to legal or moral requirements; lawless; disorderly.
adjective
0
0
Not straight or even; not symmetrical; not uniform in shape, design, or proportion.
adjective
0
0
Having minor flaws or imperfections.
adjective
0
0
Not defecating at more or less fixed intervals or times; experiencing constipation.
adjective
0
0
(bot.) Not uniform in shape, size, etc., as the petals of a flower.
adjective
0
0
Advertisement
(gram.) Not inflected in the usual way.

“go” is an irregular verb.

adjective
0
0
(mil.) Not belonging to the regularly established army.
adjective
0
0
A person or thing that is irregular.
noun
0
0
A soldier who belongs to an irregular military force.
noun
0
0
Irregular merchandise.
noun
0
0
Advertisement
Not straight, uniform, or symmetrical.

Irregular facial features.

adjective
0
0
Of uneven rate, occurrence, or duration.

An irregular heartbeat.

adjective
0
0
Deviating from a type; atypical.
adjective
0
0
(botany) Having differing floral parts, as of a zygomorphic or asymmetric flower.
adjective
0
0
Nonstandard; not conforming to rules or expectations.
adjective
0
0
Advertisement
Of a surface, rough.
adjective
0
0
adjective
0
0
(geometry, of a polygon) Not regular; having sides that are not equal or angles that are not equal.
adjective
0
0
(geometry, of a polyhedron) Whose faces are not all regular polygons (are not equally inclined to each other).
adjective
0
0
A soldier who is not a member of an official military force and, often, does not follow regular army tactics.
noun
0
0
Advertisement

Other Word Forms

Noun

Singular:
irregular
Plural:
irregulars

Origin of irregular

  • From Old French irreguler, from Medieval Latin irregularis, from in- + regularis.

    From Wiktionary