Synonyms:
* Fled: This is a general term for running away, often in a hurry.
* Escaped: This implies a successful escape from confinement or danger.
* Took off: This is a more informal term, suggesting a sudden departure.
* Skidded: This implies a quick and secret departure, often to avoid responsibility.
* Made off with: This implies taking something with them when they leave, often something that belongs to someone else.
Antonyms:
* Returned: This is the opposite of leaving, implying a return to a place or situation.
* Stayed: This suggests remaining in a place, refusing to leave.
* Surrendered: This implies giving oneself up to authority, the opposite of fleeing.
* Confessed: This suggests admitting to a crime or wrongdoing, the opposite of escaping responsibility.
The best synonym or antonym will depend on the specific context in which "absconded" is used.