内職

ないしょくnaishoku

noun · suru verb · intransitive

  1. side job (outside of one's main employment)
  2. side gig
  3. side hustle
  4. homeworking
  5. simple job carried out at home
  6. home industry
  7. (secretly) working on something unrelated to the class (or conference, etc.) one is attending

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences