Bad in moral character, disposition, or conduct; inclined or addicted to wilful wrongdoing… of action, speech, thought, or other personal attribute…

Consisting in or marked by the absence or loss of some quality or attribute that is normally present; (more generally) designating a negative…

Consisting in, characterized by, or expressing the absence rather than the presence of distinguishing features; devoid of or lacking distinctly…

As a term of imprecation used in various colloquial phrases. In later use chiefly Scottish, Irish English… Expressing strong negation, usually…

Of or relating to privation or a privant (see sense A.).

Of the nature of a negative quantity, reduction, or deficit. Cf. minus quantity n. at compounds 1.

Not positive.