speed by

phrasal verb·1 sense·particle by

Meanings

1

Move past very quickly

Why “by”? Something moves near a point and continues past it.

A motorcycle sped by us.
A motorcycle went past us at high speed.
A train sped by the platform.
A train went past the platform at high speed.

Don't confuse with

speed byspeed up

Speed by means move past very quickly. Speed up means make something go faster.

Test yourself

A motorcycle sped by us. What does it mean?

Nearby in the meaning map

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