Home › Words › U › unriddlerunriddlerunriddler means one who unriddles; a solver of puzzles.Among words judged in Lexicurio's Arena, unriddler ranks #3,411 of 42,747 for Qualifying.EtymologyFrom unriddle + -er.nounOne who unriddles; a solver of puzzles.Definitions & examples from Wiktionary (CC BY-SA 3.0).