speak up

phrasal verb·2 senses·particle up

Meanings

1

Talk louder or break silence

Appearanceuncommon

Why “up”? Rising into view. What comes up becomes present and visible.

Speak up. I can't hear you.
Talk louder, please. I can't hear you.
She finally spoke up about the mistake.
She finally broke her silence about the mistake.
2

Say publicly that something is wrong

Why “up”? Someone does not accept pressure, unfair treatment, or authority. They speak or act against it.

Parents spoke up against closing the school library.
Parents publicly said closing the school library was wrong.
Local people spoke up against the new road.
Local people publicly said the new road was a bad idea.

Don't confuse with

speak upspeak about

Speak up means talk louder or break silence. Speak about means address a particular topic in speech.

Test yourself

Speak up. I can't hear you. What does it mean?

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