1.
as needed; as required; as necessary; when the need arises
Used to indicate that something should be done when the situation calls for it, not automatically or always.
必要に応じて調整する。
I'll adjust as needed.
必要に応じて休憩を取ってください。
Please take breaks as needed.
必要に応じて専門家に相談することをお勧めします。
We recommend consulting a specialist as necessary.
A set phrase meaning "according to necessity" or "when needed." Composed of 必要 (necessity) + に (particle) + 応じて (in response to; according to). Widely used in business, instructions, and official documents.
COMMON PATTERNS:
- 必要に応じて + verb: do something as needed
- 必要に応じた + noun: appropriate/tailored (noun)
USAGE:
Slightly formal. Common in manuals, guidelines, workplace instructions, and official communication. In casual speech, 必要なら (if necessary) is a simpler alternative.
SIMILAR EXPRESSIONS:
- 必要なら: if necessary — more casual
- 適宜: as appropriate — more formal, implies using good judgment
- 場合によっては: depending on the situation