invalidate
verb (used with object)
to render invalid; discredit.
were invalidating
-
past progressiveof invalidate.past progressive
Used to describe an ongoing action or continuous state that was happening at a specific time in the past.
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.
State officials announced Tuesday they were invalidating the school’s test scores due to heavy erasure marks.
From Seattle Times ● Oct. 16, 2014
