in a negative way

an essential and distinguishing attribute of something or someone

characterized by or displaying affirmation or acceptance or certainty etc.

possessing no distinctive quality or characteristics

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

causing destruction or much damage

expecting the worst possible outcome

not furnishing support or assistance

an essential and distinguishing attribute of something or someone

indicating opposition or resistance

marked by a disposition to oppose and contradict