noun
conscious abandonment of allegiance or duty
defection from family responsibilities in times of trouble
Synonyms: apostasy, desertion, falseness, recreancy, tergiversation
Related Word: alienation, disaffection, estrangement; disloyalty, faithlessness; abandonment, forsaking; divorce, parting, runout, separation, sundering; disownment, rejection, repudiation
Idioms: running out on, ||taking a runout powder
Contrasted words: constancy, faithfulness, loyalty, resoluteness, staunchness, steadfastness; allegiance, fealty, fidelity; dependability, reliability, trustworthiness