unguessable
Beyond all conjecture
Unguessable describes something impossible to determine through guessing—typically passwords, codes, or answers that resist even intelligent speculation: Make sure your password is truly unguessable.
The word emphasizes that no amount of intuition or logic will help: The combination was essentially unguessable without the key.
Puzzling and obscure
- inscrutableImpossible to understand
- mysteriousBeyond easy comprehension
- unfathomableBeyond comprehension or measurement
- incomprehensibleImpossible to understand
impenetrable · arcane · esoteric · obscure · opaque · abstruse · sphinxlike · sibylline
Quantified chance of occurrence
- permutationArrangement in specific order
- combinatoricsMathematics of discrete enumeration
- factorialDescending multiplication of integers
- stochasticRandomly determined, statistically describable
variables · randomness · entropy · complexity · algorithm · incalculable · infinite · indeterminate
Puzzling question to solve
- enigmaSomething hard to fathom
- conundrumPerplexing problem or question
- puzzleChallenge testing ingenuity
- mysterySomething unexplained or unknown
paradox · baffling · perplexing · bewildering · confounding · mystifying · inexplicable · unexplainable
enigmatic
Puzzling and obscure
- inscrutableImpossible to understand
- mysteriousBeyond easy comprehension
- unfathomableBeyond comprehension or measurement
incomprehensible · impenetrable · arcane · esoteric · obscure · opaque · abstruse · sphinxlike · sibylline · veiled
probability
Quantified chance of occurrence
- permutationArrangement in specific order
- combinatoricsMathematics of discrete enumeration
- factorialDescending multiplication of integers
stochastic · variables · randomness · entropy · complexity · algorithm · incalculable · infinite · indeterminate · nonlinear
riddle
Puzzling question to solve
- enigmaSomething hard to fathom
- conundrumPerplexing problem or question
- puzzleChallenge testing ingenuity
mystery · paradox · baffling · perplexing · bewildering · confounding · mystifying · inexplicable · unexplainable · insoluble
unguessableguessable
Able to be deduced
predictable · foreseeable · anticipatable · estimable · calculable
unguessableobvious
Easily perceived, unmistakable
apparent · transparent · evident · self-evident · clear
guess, guessing, guessed, guesswork, guessable, guesser, outguess, misguess, guessers