strengthen
verb (used with object)
to make stronger; give strength to.
has been strengthening
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present perfect progressiveof strengthen (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
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.
As Microsoft’s control over OpenAI lessens, OpenAI has been strengthening its relationship with Amazon.
From MarketWatch ● Apr. 13, 2026
While the yuan has been strengthening against the greenback over the past year, calculations from Goldman Sachs last month suggest it remained 25% undervalued relative to China’s economic fundamentals.
From The Wall Street Journal ● Jan. 23, 2026
At the same time, it has been strengthening military and diplomatic ties with Russia.
From BBC ● Dec. 28, 2023
The greenback has been strengthening alongside interest rate hikes, making dollar-denominated oil more expensive for holders of other currencies.
From Reuters ● Apr. 17, 2023
All the past two summers it has been strengthening and nourishing my sick body and soul, as never before.
From Complete Prose Works Specimen Days and Collect, November Boughs and Goodbye My Fancy by Walt Whitman
