1) Acting in opposition to 2) Ambiguous 3) At odds 4) Clashing 5) Conflicting 6) Different 7) Differing 8) Dissimilar 9) Divergent 10) Fighting back 11) Hostile 12) Incongruous 13) Inconsistent 14) Like the other team 15) Opponent 16) Paradoxical 17) Siding with the nays Found on https://www.crosswordclues.com/clue/opposing