noun

sideline

Translation

sideline, secondary job

The coach shouted from the sidelines.

She has a sideline selling jewelry.

An injury forced him to the sidelines.

from the ((sidelines)) from a position of observing, not participating He offered advice from the sidelines.

as a ((sideline)) as a secondary activity or job He works as a teacher, with writing as a sideline.

Synonyms: (job) side hustle, part-time job

From 'side' + 'line'. Literally, the line at the side of a sports field. This extended to mean an activity 'on the side' of one's main occupation.

Picture a soccer game. The main action is on the field, while the coach is on the 'sideline'. A 'sideline' job is similar—it's not your main game.