スピード

すぴーど

noun

speed

1. speed, velocity, pace

The rate at which something moves or happens. Used for physical speed (of vehicles, movement) and figurative speed (of work, progress).

スピードを出(だ)しすぎないで。

Don't go too fast.

この道路(どうろ)はスピード制限(せいげん)が時速(じそく)50キロだ。

The speed limit on this road is 50 km/h.

もう少(すこ)し仕事(しごと)のスピードを上(あ)げないと締(し)め切(き)りに間(ま)に合(あ)わない。

If I don't pick up the pace at work a bit more, I won't make the deadline.

Usage

スピード is the standard loanword for speed and is used more frequently than the native 速度(そくど) in everyday conversation, though 速度(そくど) is preferred in technical and formal contexts.

スピード違反(いはん) (speeding violation) and スピード制限(せいげん) (speed limit) are common in traffic-related contexts.

Common collocations

スピードを出(だ)す: to speed up, to go fast
スピードを落(お)とす: to slow down
スピード制限(せいげん): speed limit
スピード違反(いはん): speeding violation
スピードアップ: speedup, acceleration

Related Words

Synonym: 速度(そくど) (speed (technical/formal))

Compare: 走行速度(そうこうそくど) (running speed)

general

Added 2026.2.13 5:10 · Revised 2026.9.2 13:01

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