unsolved
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.
Belief in witchcraft is also so deeply ingrained in Sierra Leone, even among many police officers, that there is often a fear of pursuing cases further - and most go unsolved.
From BBC
It is one of the world's most famous unsolved codes whose answer could sell for a fortune -- but two US friends say they have already found the secret hidden by "Kryptos."
From Barron's
Plus, there are still unsolved energy constraints facing the AI boom.
From Barron's
The killings in the Valley of the Christians are also unsolved.
From BBC
This means high-risk, massive capital requirements, unclear timelines and unsolved fundamental technical problems.
From MarketWatch
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.