invalid

noun verb adjective

Stress: second syllable

Syllables: in-val-id (3)
English Definition

Not valid, especially because of a mistake or because it is not official

Example Sentence

The password you entered is invalid.

US IPA /ɪnˈvælɪd/
UK IPA /ɪnˈvælɪd/

Synonyms

void null unacceptable null and void useless

Antonyms

valid legal authorized