EN

Synonyms for undiscoverable

  • adjective

Most common

mysterious impenetrable unfathomable unknowable indiscoverable unascertainable

All synonyms

Adjective

1. Mysterious

mysterious, impenetrable, unfathomable, unknowable, inscrutable, incomprehensible, unintelligible, incognizable, incognisable UK

Other

indiscoverable, unascertainable

Antonyms

clear, discoverable, exoteric

All antonyms of undiscoverable →

Definitions

  1. adj. 1

    Unable to be discovered; hidden perfectly.

Example sentences

  • mysterious A mysterious spaceship was flying away from Earth.
  • impenetrable The wall appeared to be smooth and impenetrable.
  • unfathomable It is just unfathomable to even think about.
  • unknowable Music can name the unnameable and communicate the unknowable.

Popularity over time

Word1850 → 2019Trend
undiscoverablesteady
mysteriousrising
impenetrablerising
unfathomablerising
unknowablerising
indiscoverablesteady

Use in printed books, per decade from 1850 to 2019.

By length

10 letters
mysterious4, unknowable4
11 letters
inscrutable4
12 letters
impenetrable5, unfathomable5, incognizable, incognisable
14 letters
unintelligible6, indiscoverable
15 letters
unascertainable

The small number after each word is its number of syllables (mysterious4 = 4 syllables).