breaking promise (verb) betray: be disloyal
Sinonime: archness, cheek, cheekiness, cockiness, disrespectfulness, flightiness, freshness, frivolity, impertinence, impishness, impudence,
levity, lightness, mischievousness, pertness, playfulness, roguishness, rudeness, sauciness, volatility, waggishness
Antonime: courtesy,
respect,
reverence,
seriousness