Definition of add to this/that
- We were given little time to finish. Add to this the fact that nobody helped us, and you can understand why we were angry.
: to join or unite so as to bring about an increase or improvement
: to say further : append
: to combine (numbers) into an equivalent simple quantity or number
What made you want to look up add to this/that? Please tell us where you read or heard it (including the quote, if possible).