Unsolvable

adj, noun

adj, noun ·4 syllables ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A problem that cannot be solved.
Adjective
  1. 1
    Not solvable. not-comparable

    "Throughout this section, we shall assume the existence of finitely presented groups with unsolvable word problem."

Adjective
  1. 1
    not easily solved wordnet

Example

More examples

"This math problem is unsolvable no matter which approach you use."

Etymology

From un- + solvable. Piecewise doublet of insolvable and insoluble.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.