irregular

As adjectives the difference between impure and irregular

is that impure is not pure while irregular is nonstandard; not conforming to rules or expectations.

As a verb impure

is to defile; to pollute.

As a noun irregular is

a soldier who is not a member of an official military force and, often, does not follow regular army tactics.

Irregular is a related term of riotous.

As adjectives the difference between irregular and riotous

is that irregular is irregular while riotous is having the characteristics of a riot.

Inofficial is a synonym of irregular.

As adjectives the difference between inofficial and irregular

is that inofficial is (l) while irregular is irregular.

Irregular is a related term of unceremonious.

As adjectives the difference between irregular and unceremonious

is that irregular is irregular while unceremonious is not ceremonious.

Unfamiliar is a related term of irregular.

As adjectives the difference between unfamiliar and irregular

is that unfamiliar is strange, not familiar while irregular is irregular.

As a noun unfamiliar

is an unfamiliar person; a stranger.

As adjectives the difference between excessive and irregular

is that excessive is exceeding the usual bounds of something; extravagant; immoderate while irregular is irregular.

As adjectives the difference between frequent and irregular

is that frequent is frequent; often while irregular is irregular.

As adjectives the difference between whimsical and irregular

is that whimsical is given to whimsy; capricious; odd; peculiar; playful; light-hearted or amusing while irregular is irregular.

As an adjective irregular

is irregular.

As a noun adhd is

.

As adjectives the difference between irregular and periodical

is that irregular is irregular while periodical is periodic.

As a noun periodical is

a publication issued regularly, but less frequently than daily.