Synonyms for Mystery:

n.

angelic, blasphemous, article of faith, bless, strangeness, archangel, magic, blaspheme, equivocality, irregularity, angel, blasphemy, clarity, blessing, absolution. anecdote, detective, black comedy, classic, allegory, juggle, trick, epic, cock-and-bull story, adaptation. buzz, novelty, color, fascination, bite, story, vitality, spark, life, animation. obscure, puzzler, perplexity, anonymous, unknown, personal, uncertain, mysterious, strange, hidden, private. uncertainty, unknown quantity, thing. brain-teaser (noun)
riddle.
complexity (noun)
convolution, abstruseness, intricacy, puzzle, Cabalism, complexity, difficulty, subtlety, obscurity.
drama (noun)
drama, skit, comedy, mime, spectacle, art, teleplay, excitement, pageant, melodrama, production, suspense, panorama, pantomime, improvisation, presentation, ballet, show, burlesque, variety, broadway, characterization, improvisational drama, tragedy, rendering, vaudeville, theater, scene, choreography.
illegibility (noun)
Illegibility, unclarity, confusion.
mystery (noun)
enigma, closed book, secret, mystery story, whodunit.
puzzle, secret (noun)
cryptogram, riddle, enigma, conundrum, abstruseness, perplexity, brainteaser, problem, closed book, subtlety, difficulty, whodunit, poser.
secret (noun)
cryptogram, poser, enigma, cipher, brainteaser, labyrinth, riddle, conundrum, problem, code, maze.

Other synonyms:

unknown quantity, puzzler, vitality, spark. novelty, fascination, unknown, life. color, uncertainty, animation. bite, perplexity. buzz. thing. Other relevant words:
juggle, blasphemous, life, mysterious, strangeness, private, uncertainty, angelic, blessing, color, detective, personal, adaptation, spark, buzz, allegory, fascination, archangel, hidden, blasphemy, equivocality, article of faith, vitality, anecdote, angel, classic, secret, unknown, trick, magic, clarity, closed book, strange, mystery story, anonymous, bite, novelty, thing, absolution, unknown quantity, whodunit, story, uncertain, perplexity, bless, puzzler, obscure, animation, irregularity, blaspheme, epic.

Usage examples for mystery

  1. If you ask me, I'll say it is the mystery of my life. – Philo Gubb Correspondence-School Detective by Ellis Parker Butler
  2. So it's she, you see then, who has made the mystery – The Wings of the Dove, Volume 1 of 2 by Henry James
  3. Ah, that's the mystery – Sisters Three by Mrs. George de Horne Vaizey