Definition of say everything
: to completely express (a meaning, emotion, etc.) without using words His face said everything.
Word by Word Definitions
: to express in words : state
: to state as opinion or belief : declare
: utter, pronounce
: something that is said : statement
: an expression of opinion
: a right or power to influence action or decision
: about, approximately
: for example : as
: all that exists
: all that relates to the subject
: all that is important
Seen and Heard
What made you want to look up say everything? Please tell us where you read or heard it (including the quote, if possible).