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: (n) antagonism [Related to: antagonistic] (the relation between opposing principles or forces or factors) "the inherent antagonism of capitalism and socialism"
S: (adj) antagonistic, antipathetic, antipathetical (characterized by antagonism or antipathy) "slaves antagonistic to their masters"; "antipathetic factions within the party"