blurting out (noun) betrayal: divulgence of information
Sinonime: Achilles heel, appetite*, blemish, chink in armor, debility, decrepitude, deficiency, delicacy, enervation, failing, faintness, fault, feebleness, flaw, foible, fondness, fragility, frailty, gap, impairment, imperfection, impotence, inclination, inconstancy, indecision, infirmity, instability, invalidity, irresolution, lack, languor, lapse, liking, passion, penchant, powerlessness, predilection, proclivity, prostration, senility, shortcoming, soft spot, sore point, taste*, vice, vitiation, vulnerability
Antonime: quiet,
secret