Meaning & use
irregular
Last updated
Not following a regular, consistent, or expected pattern in shape, timing, or behavior.
See it in a sentence
The doctor noted an irregular heartbeat during the checkup.
Verbs like 'go' and 'be' are irregular because they don't follow the standard conjugation rules.
A note on using this word
Irregular is used across many fields, from grammar (irregular verbs) to health (irregular pulse) to geometry (irregular shapes).
Words with a similar meaning
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Words with an opposite meaning
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