The difference between Abnormal and Irregular
When used as nouns, abnormal means a person or object that is not normal, whereas irregular means a soldier who is not a member of an official military force and, often, does not follow regular army tactics.
When used as adjectives, abnormal means not conforming to rule or system, whereas irregular means nonstandard.
check bellow for the other definitions of Abnormal and Irregular
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Abnormal as an adjective:
Not conforming to rule or system; deviating from the usual or normal type.
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Abnormal as an adjective:
Of or pertaining to that which is irregular, in particular, behaviour that deviates from norms of social propriety or accepted standards of mental health.
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Abnormal as a noun:
A person or object that is not normal.
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Irregular as an adjective:
nonstandard; not conforming to rules or expectations
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Irregular as an adjective:
rough
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Irregular as an adjective:
without symmetry, regularity, or uniformity
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Irregular as an adjective (geometry, of a [[polygon]]):
not regular; having sides that are not equal or angles that are not equal
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Irregular as an adjective (geometry, of a [[polyhedron]]):
whose faces are not all regular polygons (or are not equally inclined to each other)
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Irregular as an adjective (grammar, of a word):
not following the regular or expected patterns of inflection in a given language
Examples:
"Calves", "cacti", and "children" are irregular plurals."
"I hate learning all the irregular conjugations in French."
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Irregular as a noun:
a soldier who is not a member of an official military force and, often, does not follow regular army tactics
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Irregular as a noun:
one who does not regularly attend a venue