preserve
verb (used with object)
to keep alive or in existence; make lasting.
had been preserving
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past perfect progressiveof preserve.past perfect progressive
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
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.
His main achievement, it said, had been preserving and strengthening the shipyard's order books for modern non-nuclear submarines, surface ships and deep water vehicles.
From Reuters ● Dec. 24, 2022
