Synonyms to dead giveaway

betrayal, Judas kiss, abuse, apostasy, babbling, backsliding, bad faith, blabbering, blabbing, bolt, breach of faith, breakaway, communication leak, criminal assault, debauchment, defection, defilement, defloration, deflowering, dereliction, deserter, desertion, despoilment, disclosure, disloyalty, divulgation, divulgement, divulgence, divulging, double cross, evulgation, faithlessness, giveaway, going over, indiscretion, leak, letting out, obvious clue, perfidy, priapism, rape, ratting, ravage, ravishment, recidivation, recidivism, recreancy, revelation, schism, secession, seducement, seduction, sellout, sexual assault, telltale, telltale sign, traitorousness, treachery, treason, turning traitor, unwitting disclosure, violation, walkout, divulge