can't begin to tell you
Definition of can't begin to tell you
—used to indicate that something is so very good or so much appreciated I can't begin to tell you how grateful I am for all your help.
Word by Word Definitions
: can not
: to do the first part of an action : go into the first part of a process : start
: to come into existence : arise
: to have a starting point
: count, enumerate
: to relate in detail : narrate
: to give utterance to : say
: hill, mound
: an ancient mound in the Middle East composed of remains of successive settlements
Seen and Heard
What made you want to look up can't begin to tell you? Please tell us where you read or heard it (including the quote, if possible).