defiant Play dɪˈfʌɪəntadjectiveshowing defiance.a defiant gesture SYNONYMS aggressiveantagonisticargumentativebellicosebelligerentchallengingcombativeconfrontationalcontentiouscontumaciousdisobedientdissentingfeistyhostileinsubordinateintransigentmutinousnon-compliantobstinateobstreperouspugnaciousquarrelsomerebelliousrecalcitrantresistantscrappystroppysubversivetruculentuncooperative