- past tense form of strengthen.
- past participle of strengthen.
strengthened
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.
Earlier in October a Kelvin wave and strengthened tides due to Tropical Storm Rachel brought flooding to multiple beach communities.
From Los Angeles Times ● Oct. 29, 2026
In England, Benedict's law came into force in September, requiring all schools to follow strengthened allergy guidelines including training for staff and storing equipment like life-saving allergy pens.
From BBC ● Oct. 24, 2026
Subsequent research has strengthened the discovery, revealing that the same protein helps regulate how much energy the body burns.
From Science Daily ● Oct. 24, 2026
The yen strengthened to its highest level in a year against the euro as investors sought the relative safety of the Japanese currency amid concerns over French debt.
From The Wall Street Journal ● Oct. 23, 2026
But as their relationship strengthened, there was one place Terryl harbored a quiet reservation about Jackie.
From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel
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