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Showing results for unsolved. Search instead for unsolve.
Definitions

unsolved

ADJECTIVE
insoluble
Synonyms
WEAK
baffling difficult impenetrable indecipherable inexplicable inextricable irresolvable mystifying obscure unaccountable unconcluded unfathomable unresolved unsolvable
Antonyms
WEAK
explainable explicable obvious open solvable
ADJECTIVE
unresolved
Synonyms
STRONGEST
moot pending unanswered undecided undetermined unsettled
WEAK
betwixt and between changing doubtful faltering hesitant hesitating hot-and-cold incomplete indecisive irresolute open to question problematical pussyfooting unconcluded unfinished up in the air vacillating vague waffling
Antonyms
STRONGEST
certain decided definite determined settled sure
WEAK
resolved solved

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The partnership will seek to deploy autonomous vehicles in unsolved areas, such as the intersection of roadways, bike lanes and road-adjacent spaces.

From The Wall Street Journal • Mar. 31, 2026

She added it was "more unusual than not that we are in this situation", but the team was determined to get to the bottom of this "big unsolved case".

From BBC • Mar. 8, 2026

During REM sleep, scientists replayed the soundtracks linked to half of the unsolved puzzles to selectively reactivate those memories.

From Science Daily • Feb. 15, 2026

A lot of research has gone into eliminating hallucinations, but it remains an unsolved problem.

From Barron's • Feb. 6, 2026

The mystery of the bracelet would remain unsolved.

From "The Parker Inheritance" by Varian Johnson

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.