Abandon as a verb, noun and adjective
To abandon someone is to leave them behind, desert or forsake.
- She abandoned her children and eloped with her lover.
- Someone had abandoned the child on the doorstep.
To abandon a project is to discontinue it.
- They abandoned the project for lack of funds.
Synonyms of abandon: desert, forsake, leave, withdraw, quit, relinquish, renounce, abdicate etc.
Antonyms of abandon: claim, keep, hold, maintain, continue, maintain etc.
Abandon can mean unrestraint, recklessness, gusto, immoderation or enthusiasm.
- The children danced with abandon.
Antonyms: moderation, tameness, control, restraint
Abandoned means deserted, vacant, unoccupied, or neglected
- The abandoned house was in ruins.
An abandoned life is a shameless, degraded or sinful life.
- He led an abandoned life when he was young and energetic.
Synonyms of abandoned: rejected, left behind, discarded, vacant, forsaken, unoccupied, cast aside, cast away
Antonyms of abandoned: occupied, claimed, kept, well-kept, upright, reputable, moral, chaste, sinless, reformed, pure etc.