Enter a clue or pattern or both:
The Clue
Deliverers of the unreturnable (5 letter answer)
The Answer
ACERS
Tags
Notes
The answer ACERS is rarely seen, appearing only about once every 1600 puzzles.
Related Clues
Court whizzes
Sampras and others
Champion tennis servers
Providers of excellent service?
Quick scorers on the court
Their service is impeccable
They provide excellent service
Definition
ACER as a noun:
1. (Acer, genus Acer) = type genus of the Aceraceae; trees or shrubs having winged fruit