S: (adj) negative (characterized by or displaying negation or denial or opposition or resistance; having no positive features) "a negative outlook on life"; "a colorless negative personality"; "a negative evaluation"; "a negative reaction to an advertising campaign"
W: (adj) positive [Indirect via negative] (characterized by or displaying affirmation or acceptance or certainty etc.) "a positive attitude"; "the reviews were all positive"; "a positive benefit"; "a positive demand"
S: (adj) antagonistic, antipathetic, antipathetical (characterized by antagonism or antipathy) "slaves antagonistic to their masters"; "antipathetic factions within the party"