■ adjective
1》 not regular in shape, arrangement, or occurrence.
2》 contrary to a rule, standard, or convention.
↘not belonging to regular army units.
3》 Grammar (of a word) having inflections that do not conform to the usual rules.
■ noun
1》 a member of an ~ military force.
2》 chiefly N. Amer. an imperfect item of merchandise sold at a reduced price.
Derivatives
~ity noun ( plural ~ities ).
~ly adverb