Not beknown.

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.

In an unbearable manner, not bearably, in a way unable to be borne

(transitive) To unlock or unbolt a door that had been locked or bolted with a bar. / (transitive) To remove an impediment that obstructs the passage of (someone or something).

(transitive) To cause to be out of balance.

Not adopted.

simple past tense and past participle of unadopt