say it: REG-yuh-lur
regular is an adjective and noun meaning "in accordance with fixed order or procedure or principle". It carries 17 recorded senses.
conforming to a standard or pattern
“following the regular procedure of the legislature”
“a regular electrical outlet”
regularly scheduled for fixed times
“at a regular meeting of the PTA”
“regular bus departures”
in accord with regular practice or procedure
“took his regular morning walk”
“her regular bedtime”
(of solids) having clear dimensions that can be measured; volume can be determined with a suitable geometric formula
not constipated
symmetrically arranged
“even features”
“regular features”
“a regular polygon”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for regular come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.