The noun has 3 meanings:
Meaning #1:
the disagreeable quality of one who dissents
Synonym: negativeness
Meaning #2:
characterized by habitual skepticism and a tendency to deny or oppose or resist suggestions or commands
Synonym: negativism
Antonym: positivity (meaning #1)
Meaning #3:
(chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond
Synonym: electronegativity





