Irregular vs. Unregular: What's the Difference?

Irregular and Unregular Definitions
Irregular
Contrary to rule, accepted order, or general practice
Irregular hiring practices.
Unregular
Not regular; irregular, uncommon
Irregular
Not conforming to legality, moral law, or social convention
An irregular marriage.
Irregular
Not straight, uniform, or symmetrical
Irregular facial features.
Irregular
Of uneven rate, occurrence, or duration
An irregular heartbeat.
ADVERTISEMENT
Irregular
Deviating from a type; atypical.
Irregular
(Botany) Having differing floral parts, as of a zygomorphic or asymmetric flower.
Irregular
Falling below the manufacturer's standard or usual specifications; imperfect.
Irregular
(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.
Irregular
Not belonging to a permanent, organized military force
Irregular troops.
ADVERTISEMENT
Irregular
One, such as an item of merchandise, that is irregular.
Irregular
A soldier, such as a guerrilla, who is not a member of a regular military force.
Irregular
Nonstandard; not conforming to rules or expectations
Irregular
Rough
Irregular
Without symmetry, regularity, or uniformity
ADVERTISEMENT
Irregular
Not regular; having sides that are not equal or angles that are not equal
Irregular
Whose faces are not all regular polygons (or are not equally inclined to each other)
Irregular
Not following the regular or expected patterns of inflection in a given language
"Calves", "cacti", and "children" are irregular plurals.
I hate learning all the irregular conjugations in French.
Irregular
A soldier who is not a member of an official military force and who may not use regular army tactics.
Irregular
One who does not regularly attend a venue.
Irregular
Not regular; not conforming to a law, method, or usage recognized as the general rule; not according to common form; not conformable to nature, to the rules of moral rectitude, or to established principles; not normal; unnatural; immethodical; unsymmetrical; erratic; no straight; not uniform; as, an irregular line; an irregular figure; an irregular verse; an irregular physician; an irregular proceeding; irregular motion; irregular conduct, etc. Cf. Regular.
Mazes intricate,Eccentric, intervolved, yet regularThen most when most irregular they seem.
Leading the men of Herefordshire to fightAgainst the irregular and wild Glendower.
A flowery meadow through which a clear stream murmured in many irregular meanders.
Irregular
One who is not regular; especially, a soldier not in regular service.
Irregular
A member of an irregular armed force that fights a stronger force by sabotage and harassment
Irregular
Merchandise that has imperfections; usually sold at a reduced price without the brand name
Irregular
Contrary to rule or accepted order or general practice;
Irregular hiring practices
Irregular
(of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
Irregular
Not occurring at expected times
Irregular
Used of the military; not belonging to or engaged in by regular army forces;
Irregular troops
Irregular warfare
Irregular
Deviating from what is usual or common or to be expected; often somewhat odd or strange;
These days large families are atypical
Highly irregular behavior
Irregular
Lacking continuity or regularity;
An irregular worker
Employed on a temporary basis
Irregular
Of a surface; not level or flat;
Walking was difficult on the irregular cobblestoned surface
Irregular
Used of independent armed resistance forces;
Guerrilla warfare
Partisan forces
Irregular
Independent in behavior or thought;
She led a somewhat irregular private life
Maverick politicians