で (De) is a Japanese particle meaning “at, in, at, when”.

Meanings

  1. particleat; inindicates location of action
  2. particleat; whenindicates time of action
  3. particleby; withindicates means of action
  4. conjunctionso; therefore; (and) then; accordingly
  5. conjunctionby the way; incidentally; now then; well

Examples

  • I thought I could settle it by phone.

  • I can walk to school in ten minutes.

  • Please do not take photos here.

Sentences from Tatoeba (CC BY 2.0 FR).