unexplained
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.
In the deep ocean, scientists are now facing a similar kind of unease, driven by the unexplained absence of a crucial species.
From Science Daily
Over the years, several unexplained experimental results have fueled speculation about a fourth variety known as a sterile neutrino, which would interact even more weakly than the others.
From Science Daily
There had been nothing to suggest Zoë, a partner in a Manchester law firm, was unwell before the unexplained cardiac arrest that took her life.
From BBC
The study also found a perplexing rise in unexplained illnesses.
The official cause was listed as "sudden unexplained death."
From Science Daily
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.