速そく度ど

そ

く

ど

Common wordJLPTN3Freq.FrequencyTop 5,000

Meanings

1

speed; velocity; pace; rate

General term for speed, pace, or rate of movement, work, or change. Used in everyday and technical contexts.

この車くるまの最さい高こう速そく度どは時じ速そく200キロです。
The top speed of this car is 200 km/h.
仕し事ごとの速そく度どをもう少すこし上あげてください。
Please pick up the pace of your work a little.

2

Physics term for velocity as a vector quantity. Often used in scientific or technical contexts.

速そく度どは大おおきさと向むきを持もつベクトル量りょうです。
Velocity is a vector quantity that has magnitude and direction.

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Usage patterns

〈物もの〉が速そく度どを上あげるfor something to increase speed
車くるまがカーブを過すぎると速そく度どを上あげた。
The car sped up after passing the curve.
速そく度どを落おとすto slow down; reduce speed
運うん転てん手しゅは交こう差さ点てんの前まえで速そく度どを落おとした。
The driver slowed down before the intersection.
速そく度どを測はかるto measure the speed of something
警けい察さつはレーダーで車くるまの速そく度どを測はかった。
The police measured the car's speed with radar.
〈数かず〉の速そく度どで〈動どう詞し〉to do something at a speed of ...
電でん車しゃは時じ速そく120キロの速そく度どで走はしった。
The train ran at a speed of 120 km/h.
速そく度どが出でるfor something to reach a high speed
このバイクは意い外がいと速そく度どが出でる。
This motorcycle can surprisingly go quite fast.

Expressions

速そく度ど落おとせslow down; reduce speed
速そく度どを緩ゆるめるease up the speed; slow down

Kanji

速quick, fast
度degrees, occurrence, time

Related words· 7

速はやさN1sense 1
速さ is the everyday, often subjective word for speed, while 速度 is the more formal or technical term used for measured rates.
スピードN3sense 1
スピード is a casual loanword for speed, common in spoken and commercial contexts, whereas 速度 is preferred in formal or scientific writing.
ペースN3sense 1
ペース refers to the pace or tempo of an activity (like work or running), while 速度 more often refers to physical speed of movement.
時じ速そくN2
速度 is the general word for speed or velocity in any unit, while 時速 specifically means speed expressed per hour.

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速そく力りょくN2
速度 is the most common everyday and technical word for speed, while 速力 is somewhat rarer and often reserved for vehicles or machinery.
ピッチ
速度 is the formal, measurable term for speed (e.g. of a vehicle), while ピッチ more often describes the rate or tempo of repeated actions or work.
テンポN2
速度 is a neutral, technical word for speed (e.g. of a vehicle or process), while テンポ specifically evokes the rhythmic pace of music or an activity.

Don't confuse with

加か速そく度どN2sense 2
速度 means speed itself, while 加速度 means acceleration, the rate at which speed changes, so learners often mix up the two in physics contexts.

Word family· 59

加か速そく度どN2
acceleration
高こう速そく度ど
high speed
通つう信しん速そく度どN2
communication speed; baud rate
微び速そく度ど
very slow speed; extremely low speed
線せん速そく度ど
linear velocity

Show 7 more

群ぐん速そく度ど
group velocity
角かく速そく度ど
angular velocity
速そく度ど計けい
speedometer
中ちゅう間かん速そく度ど
middle speed; medium speed
伝でん送そう速そく度ど
transmission speed; baud rate
位い相そう速そく度ど
phase velocity
公こう転てん速そく度ど
orbital speed

See all 59 in Explore →

Etymology

Sino-Japanese compound of 速 (fast, quick) and 度 (degree, measure). The reading そくど follows standard on'yomi.