Definitions
a particularly baffling problem that is said to have a correct solution
Word origin
From puzzle + -er.
Used in a sentence
“And reason cannot answer that question, because it exists outside of reason. It’s a puzzler, right? A real head-scratcher? Which brings us back to me.”
“Near-synonyms: riddler, quizzer, setter”
“[…] he commits what to a hardened puzzler seems an unforgivable sin when he uses a picture of a two-masted ship followed by HTER for the word BRIGHTER.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Difficult question”7 letters
Not quite right?
"Search similar patterns."
P______