abandon · verb T /əˈbæn.dən/
abandon (LEAVE)
B2 to leave someone or something somewhere, sometimes not returning to get them
Dictionary examples:
They were forced to abandon the car.
My sister abandoned me at the station, so I went home alone.
We were sinking fast, and the captain gave the order to abandon ship.
Learner example:
All at once, they abandoned their sacks of stolen property and ran for their lives! (First Certificate in English; B2; Chinese)
abandon (STOP DOING)
C1 to stop doing something before it is finished, or to stop following a plan, idea, etc.
Dictionary example:
The weather was so bad, we abandoned our plans for a picnic.
Learner example:
How would you feel if you establish[ed] a long-time plan for your career and then you ha[d] to abandon it? (Certificate in Advanced English; C1; Portuguese)