Meaning of non-regular in English:

non-regular

Pronunciation /nɒnˈrɛɡjʊlə/

adjective

  • 1That is not usual or habitual; that does not occur regularly; that does not follow the usual rule or pattern; nonstandard.

  • 2Military
    = "irregular".

noun

  • 1Military
    = "irregular".

  • 2A person who is not a regular customer, contributor, participant, visitor, etc.; (specifically in Sport) a person who does not play regularly in a particular team.

Origin

Late 19th century; earliest use found in Annals of Mathematics. From non- + regular.