irregular
Translation
irregular, uneven, not regular
Examples
The patient has an irregular heartbeat.
The patient has an irregular heartbeat.
The coastline is very irregular.
The coastline is very irregular.
'Go' is an irregular verb.
'Go' is an irregular verb.
Grammar Patterns
an irregular ((noun)) used to describe something that does not follow a standard pattern He works irregular hours.
Similar Words
Synonyms: uneven, unsteady, unconventional; Antonyms: regular, even, steady, consistent
Etymology
From the prefix 'ir-' (not) + 'regular' (following a rule or pattern). It means 'not regular'.
Memory Tips
The prefix 'ir-' is used before words starting with 'r' to mean 'not'. Think of an 'irregular' shape that doesn't follow a 'regular' pattern like a square.