A village in the Ariège department, France

unsatisfactory; not acceptable / (linguistics) not conforming to accepted usage

Something that is not acceptable.

travelling without companions / (music) performed or scored without accompaniment; solo

Of a word, having no diacritical mark; accentless. / Of a vowel or syllable, pronounced with no, or little stress. / Not pronounced with a distinctive accent.

Not accommodating.

Not within the limits of what is generally considered to be acceptable.

Not accepted; unacceptable.

simple past tense and past participle of unaccept

Not accelerating