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re·test | \ (ˌ)rē-ˈtest 
\
\retested; retesting
Definition of retest
1 transitive : to evaluate, measure, or identify (something or someone) again by means of a test In English I, 77,623 students who were retested in the spring failed again.— Terrence Stutz … his team tutored and retested a group of healthy elderly volunteers on whom he'd gathered data for 14 years.— Marilyn Chase … cats may test negative for some time after they are exposed and should be retested 90 days after possible exposure. — Cat Fancy The doctors were retesting him for cystic fibrosis.— Gary Smith
2 intransitive : to be tested again
… Rhodes has instituted a new policy allowing students to retest at any time, letting them leap forward when they're ready.— Brian Thevenot
Other Words from retest
retest \ ˈrē-ˌtest \ noun, plural retests
\ noun, plural retests
He failed and had to return for a retest.
She passed the retest.
I was happy to hear that, six months later in January, her retest remained normal. — Andrew Weil
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Time Traveler for retest
The first known use of retest was in 1778
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