irregular

Definitions

Not occurring at regular intervals; uneven or sporadic.

Contrary to the rules or established conventions.

Not conforming to a standard shape, arrangement, or grammatical pattern.

Examples

The patient's heartbeat was irregular, prompting the doctor to order further tests.

The irregular shape of the coastline made it difficult for the sailors to navigate the bay.

Synonyms

uneven asymmetrical erratic unpredictable variable sporadic unconventional

Antonyms

regular even symmetrical consistent uniform steady predictable