oppositional

UK: ˌɒpəˈzɪʃənl | US: ˌɑːpəˈzɪʃənl

Definition
  1. adj. relating to or characterized by opposition

  2. adj. acting in resistance or antagonism

Structure
oppose <resist>ition <noun suffix>al <adjective suffix>
Etymology

The word "oppositional" derives from the Latin oppositio (a placing against), formed from opponere (to oppose). The root "oppose" (< Latin ob- "against" + ponere "to place") retains its core meaning of resistance. The suffix "-ition" nominalizes the action, while "-al" converts it into an adjective. The term evolved in Middle English via Old French, reflecting a consistent logic of conflict or contrast.

Examples
  1. The child displayed oppositional behavior when asked to follow rules.

  2. Her oppositional stance on the policy sparked debate.

  3. The team faced oppositional forces during negotiations.

  4. Oppositional political parties often clash in parliamentary systems.

  5. His oppositional attitude made collaboration difficult.