simple past tense and past participle of unaccustom

(UK) A private road, where the local borough council is not responsible for the road's maintenance.

Not asked about.

Not having received advice. / (dated) Ill-advised; imprudent; rash.

Not announced beforehand.

Not able to be explained logically. Without being accountable, or reasonable.

Not alienable.

Not adopted.

simple past tense and past participle of unadopt

not abased