内職(ないしょく)side job (outside of one's main employment), side gig, side hustle, part job (carried out at home), home industry, (secretly) working on something unrelated to the class (or conference, etc.) one is attending

一般的

1. 名詞, サ行変格活用, 自動詞

   1. 1.

      EN side job (outside of one's main employment), side gig, side hustle

   2. 2.

      EN homeworking, simple job carried out at home, home industry

   3. 3.

      EN (secretly) working on something unrelated to the class (or conference, etc.) one is attending

      口語的