1 adjective opposed to power holderceannairceach adj1 c m ureibiliúnach adj1 c m ua rebellious racecine ceannairceach2 adjective opposed to party leadershipceannairceach adj1 c m urebellious backbenchers resisted herchuir cúlbhinseoirí ceannairceacha ina coinne3 adjective inclined to oppose authoritymíréireach adj1 c m uhe was a rebellious teenagerbhí sé míréireach agus é ina dhéagóir