part-time

US /ˌpɑːrtˈtaɪm/
UK /ˌpɑːrtˈtaɪm/
"part-time" picture
1.

for only part of the usual working day or week

:
She works part-time at the local library.
He's looking for a part-time job.
1.

on a part-time basis

:
She works part-time.
He studies part-time while working.