ID

あいでぃー
noun
ID, identification
1. ID, identification
identification; an identifier used to verify identity or access accounts
IDとパスワードを入力(にゅうりょく)してください。
Please enter your ID and password.
社員(しゃいん)IDを忘(わす)れてしまった。
I forgot my employee ID.
会員(かいいん)IDは登録(とうろく)時(じ)にメールで届(とど)きます。
Your member ID will be sent by email when you register.

ID is the abbreviation for Identification, pronounced アイディー in Japanese. It commonly refers to usernames, account identifiers, or identification numbers.

COMMON COMPOUNDS:

  • 社員(しゃいん)ID (employee ID)
  • 会員(かいいん)ID (member ID)
  • ユーザーID (user ID)
  • 学生(がくせい)ID (student ID)
  • IDカード (ID card)

DIGITAL USAGE:

  • ログインID (login ID)
  • Apple ID, Google ID (service-specific IDs)
  • ID認証(にんしょう) (ID verification)

PHYSICAL ID:
For physical identification documents, 身分証明書(みぶんしょうめいしょ) is the native term, though IDカード is also used.

ID PAYMENT:
In Japan, "iD" (stylized) is also a major contactless payment service by NTTドコモ, which can cause confusion with the general term.

REGISTER: Neutral. Standard vocabulary in digital and business contexts.

general
Added 2026.1.21 15:43
07500/07810_aidii