irregular in Bulgarian
irregular in Bulgarian
непра́вилен
Nonstandard; not conforming to rules or expectations.
нередо́вен
Nonstandard; not conforming to rules or expectations.
неравноме́рен
Without symmetry, regularity, or uniformity.
непра́вилен
(grammar, of a word) Not following the regular or expected patterns of inflection in a given language.