(archaic, slang) Absent; missing.

(narratology) Any abrupt and inexplicable transition or occurrence.

Not welcome or acceptable person.

Not following a straight path.

Not too much, moderately applied.

Statements not logically following preceding.

"Whether or not; or not."

Not mentally competent to decide.

Lacking any form of existence.

Not allowed by law; forbidden.

Preserving integrity while analyzing materials.