ensure
verb (used with object)
to secure or guarantee.
have ensured
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present perfectof ensure.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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.
With the Mississippi River in his grasp, Coronado could have ensured reliable communication, which might have halted the growth of the future United States.
From The Wall Street Journal ● Apr. 28, 2026
But hostilities in the strait, which typically accounts for 20% of the world’s oil supply, have ensured that oil prices keep climbing.
From Barron's ● Apr. 23, 2026
Funding which would have ensured they received the Real Living Wage was made available.
From BBC ● Apr. 7, 2026
Massive blast doors that looked like they belonged on the largest bank vault in the universe were supposed to keep us safe, though in a nuclear war they might only have ensured our entombment.
From Salon ● Dec. 7, 2025
His discoveries with the telescope would by themselves have ensured his place in the history of human accomplishment.
From "Cosmos" by Carl Sagan
