Meaning : Withdrawing support or help despite allegiance or responsibility.
Example :
His abandonment of his wife and children left them penniless.
Synonyms : abandonment, desertion
Meaning : The state of having rejected your religious beliefs or your political party or a cause (often in favor of opposing beliefs or causes).
Synonyms : apostasy, renunciation
Defection ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Defection ka matlab kya hota hai?