(of a book or document) Not abridged, shortened, expurgated or condensed; complete.

An unabridged publication, especially a reference work

Not disconcerted or embarrassed. / Of actions, emotions, facts, etc.: that are not concealed or disguised, or not eliciting shame.

Not able; lacking a certain ability.

(aviation) Indicating that a requested course of action is not possible to carry out.

(transitive, nonstandard) To render unable; to disable.

Not attended; without persons present. / Not attended to; not receiving attention.

Unexpectedly or by surprise. / Inadvertently. / Without plan or forethought.

Not aware or informed; lacking knowledge. / Not noticing; paying no heed; thoughtless; inattentive.

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