What does offeness mean?

This is what it means:

Adverb

Away from the place in question; to or at a distance: "the man ran off".

Preposition

Moving away and often down from: "he rolled off the bed".

Adjective

Characterized by someone performing or feeling worse than usual; unsatisfactory or inadequate: "having an off day".

Noun

The half of the field toward which the batsman's feet are pointed when standing to receive the ball.

Verb

Kill; murder: "he was hired to off her stalker".