Meaning of INCONSISTENT in English

INCONSISTENT

■ adjective

1》 not staying the same throughout.

↘acting at variance with one's own principles or former behaviour.

2》 ( ~ with ) not compatible or in keeping with.

Derivatives

inconsistency noun ( plural inconsistencies ).

~ly adverb

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.