irregular

adjective ee-rreh-goo-LAHR Less Common

Origin: From Latin irregularis (not subject to rule).

Also means

uneven

Usage Note

Irregular is used in grammar (verbo irregular), medicine (latido irregular = irregular heartbeat), terrain description (terreno irregular), and legal or bureaucratic contexts where it often implies impropriety (actividad irregular = irregular/suspicious activity). The noun form is irregularidad. Plural adds -es: verbos irregulares.

Examples

"El terreno es muy irregular en esta zona."

Natural Translation

The terrain is very uneven in this area.

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