それじゃあ

それじゃあ
conjunction, interjection
well then; in that case; see you
informalexpression
See also: それでは (formal equivalent)
1. well then; in that case
An informal conjunction used to transition to a new topic or action based on what was just said. A casual form of それでは.
それじゃあ、始(はじ)めよう。
Well then, let's begin.
雨(あめ)なの？それじゃあ車(くるま)で行(い)こう。
It's raining? In that case, let's go by car.
それじゃあ、明日(あした)の会議(かいぎ)は中止(ちゅうし)ということで。
Well then, the meeting tomorrow is cancelled.
2. well then; see you; goodbye
Used as a casual way to signal departure or end a conversation. Short for それではまた.
それじゃあ、また明日(あした)。
Well then, see you tomorrow.
もう遅(おそ)いから、それじゃあね。
It's late, so bye then.
それじゃあ、お先(さき)に失礼(しつれい)します。
Well then, I'll excuse myself first.

Usage

An informal variant of それでは. Can be further shortened to それじゃ or じゃあ in very casual speech. The formality scale runs: それでは (formal) > それじゃあ (informal) > じゃあ (very casual). Commonly heard at the start or end of conversations.

Formality variants

Similar words

  • それでは: well then — the more formal equivalent
  • じゃあ: well then — an even more casual abbreviation
  • では: well then — formal, often written

Related Words

Compare: では (well then)
general
Added 2026.3.13 15:45 · Revised 2026.9.2 13:01
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