Enter a clue or pattern or both:
The Clue
Ace of a sort (4 letter answer)
The Answer
ONER
Tags
Notes
The answer ONER is very common and appears about once every 42 puzzles.
Related Clues
Corker
Dandy
Dilly
Humdinger
A lulu
Lulu
Marvel
Nonesuch
Nonpareil
Oddball
Pip
Rarity
Ripsnorter
Standout
Topnotcher
Exceptional person
Extraordinary fellow
Kayo blow
Outstanding fellow
Quite a rarity
Real lulu
Singular person
Something singular
Something unique
Unique person
Unique thing
Embarassing spelling mistake?
Unique person, informally
He's unique, so to speak
It has no comparison
It's not a dime a dozen
Definition
ON as an adjective:
1. in operation or operational; "left the oven on"; "the switch is in the on position"
2. (of events) planned or scheduled; "the picnic is on, rain or shine"; "we have nothing on for Friday night"