不規則
Common
I-adj
Noun
1
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
irregular
1
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
irregular;unsystematic;unsteady;disorderly
生理が不規則です。
My menstrual cycle is irregular.