characterized by habitual skepticism and a tendency to deny or oppose or resist suggestions or commands

(chemistry) the tendency of an atom or radical to attract electrons in the formation of an ionic bond

The quality or state of being negative.

the disagreeable quality of one who dissents

Negativity is the name given in philosophy to the negative element determinative or definitive of things and all ideas of things, whereby a thing is this because it is not that, and is seen to be this because it is seen not to be that, an antagonism essential to all forms of being, spiritual as well as material, and to all definite and distinct thought.