The most common and most likely answer to this crossword clue is the 3 plus 4 letter word SET FREE
I've seen this crossword clue in Financial Times
S
E
T
F
R
E
E
More clues leading to the result SET FREE
- Release showing prescribed charge to cross river
- Unit on the house becoming loose
- Released gang without charge
- Release songs for performance without payment
- Deliver frame with compliments
- Release bargain offer for telly addicts?
- Release from group available for nothing
- Loose dentures for nothing!
- Deliver TV for nothing
- Deliver complete apparatus for nothing
Buddy explains!

The straight part
We know that "Deliver" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case deliver = set free.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.