What does "finish up" mean?

To complete the last details of a task.

What is a synonym for "finish up"?

Common synonyms include: abort, button up, call it a day, cap, cease, clean up.

verb

verb ·Rare ·Advanced level

Verb

1
To complete the last details of a task. ambitransitive
"They were finishing up the dishes."
2
finally be or do something wordnet
3
To consume the last part of (something). transitive
"Do you want to finish up these cookies?"
4
finish a task completely wordnet

"They were finishing up the dishes."