What does "at it" mean?

Occupied with a given activity; busy with something.

What is a synonym for "at it"?

Common synonyms include: busy, employed, engaged, occupied, on duty, on the go.

/ˈat ɪt/ prep_phrase

prep_phrase ·Rare ·Advanced level

Prep_phrase

1
Occupied with a given activity; busy with something.
"Mart. Oh they are at it. Lart. Their noise be our instruction."
2
Engaged in sexual intercourse or other sexual activity.
"I came home early and caught them at it in the front room."

"Mart. Oh they are at it. Lart. Their noise be our instruction."