Forming adjectives, sometimes corresponding to nouns ending in -ule (such as pustular corresponding to pustule), but often without diminutive force (as in angular, granular).
Origin
From Latin -ularis.
Definition of -ular in US English:
-ular
suffix
Forming adjectives, sometimes corresponding to nouns ending in -ule (such as pustular corresponding to pustule), but often without diminutive force (as in angular, granular).