speak volumes

To reveal a lot about someone or something, often without words or without meaning to.

• His silence speaks volumes.
• Her angry expression spoke volumes about how she felt.
• Their refusal to help speaks volumes about their priorities.

How to use it: speak volumes about someone/something (Her kindness speaks volumes about her character.); speak volumes for someone/something (Their patience speaks volumes for their commitment.)

Similar words: reveal a lot, say a lot

Common phrases: speak volumes, speak volumes about something

To show a lot about someone or something, often without words.

• His silence speaks volumes.
• Her warm welcome spoke volumes about her kindness.
• These empty seats speak volumes about the show.

How to use it: speak volumes about someone/something (Her careful notes speak volumes about her dedication.)

Similar words: say a lot, reveal much

Common phrases: speak volumes about someone, speak volumes about something

To say a great deal about a subject.

• She could speak volumes about her travels.
• He spoke volumes on his years at sea.
• I could speak volumes about the problems we faced.

How to use it: speak volumes about something (My grandmother could speak volumes about her childhood.); speak volumes on something (He can speak volumes on local history.)

Similar words: talk at length

Common phrases: speak volumes about something, speak volumes on something