Antonyms of noun positiveness

3 of 5 senses of positiveness

Sense 1
positivity, positiveness -- (the character of the positive electric pole)
       Antonym of negativeness (Sense 1)
      => negativity, negativeness -- (the character of the negative electric pole)

Sense 2
positivity, positiveness, positivism -- (a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness)
       Antonym of negativeness (Sense 2)
      => negativity, negativeness, negativism -- (characterized by habitual skepticism and a disagreeable tendency to deny or oppose or resist suggestions or commands)

Sense 4
positivity, positiveness -- (an amount greater than zero)
       Antonym of negativeness (Sense 3)
      => negativity, negativeness -- (an amount less than zero)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun positiveness

5 senses of positiveness

Sense 1
positivity, positiveness -- (the character of the positive electric pole)
       => polarity, sign -- (having an indicated pole (as the distinction between positive and negative electric charges); "he got the polarity of the battery reversed"; "charges of opposite sign")

Sense 2
positivity, positiveness, positivism -- (a quality or state characterized by certainty or acceptance or affirmation and dogmatic assertiveness)
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)

Sense 3
favorableness, favourableness, advantageousness, positivity, positiveness, profitableness -- (the quality of being encouraging or promising of a successful outcome)
       => advantage, vantage -- (the quality of having a superior or more favorable position; "the experience gave him the advantage over me")

Sense 4
positivity, positiveness -- (an amount greater than zero)
       => amount -- (the relative magnitude of something with reference to a criterion; "an adequate amount of food for four people")

Sense 5
incontrovertibility, incontrovertibleness, positivity, positiveness -- (the quality of being undeniable and not worth arguing about)
       => indisputability, indubitability, unquestionability, unquestionableness -- (the quality of being beyond question or dispute or doubt)