Enter a clue or pattern or both:
The Clue
K.O. blow (4 letter answer)
The Answer
ONER
Tags
Notes
The answer ONER is very common and appears about once every 42 puzzles.
Related Clues
Ace
Corker
Humdinger
Jimdandy
Lalapalooza
Lollapalooza
Lulu
Nonpareil
Rarity
Standout
Topnotcher
An ace: Slang
Extraordinary item
It's unique
Kayo blow
Kayo or lulu
Outstanding person
Outstanding thing
Rara avis
Rare individual
Real pip
Singular chap
Singular fellow
Singular person
Something singular
Something unique
Unique fellow
Unique person
Not just a rarity
Willie Mays, e.g.
Person who is sui generis
There's nothing like it
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"