speak volumes

Verb

speak volumes (third-person singular simple present speaks volumes, present participle speaking volumes, simple past spoke volumes, past participle spoken volumes)

1. To talk a great deal.
   • I can speak volumes about this school.

   Synonyms:

   tell volumes

2. To convey significant information beyond what is explicit, especially unintentionally.
   • In our day-to-day experiences, it is often such nonverbal emotional information carried by the human voice that “speaks volumes.”

   Synonyms:

   say it all, tell volumes

3. (situation, or object) To convey significant information.
   • The way you listen speaks volumes.
   • The lighted decorated Christmas tree, a treat for all, speaks volumes of meaning.

   Synonyms:

   tell volumes