ensure

[ en-shoor, -shur ]
/ ɛnˈʃʊər, -ˈʃɜr /

verb (used with object), en·sured, en·sur·ing.

to secure or guarantee: This letter will ensure you a hearing.
to make sure or certain: measures to ensure the success of an undertaking.
to make secure or safe, as from harm.

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Origin of ensure

1350–1400; Middle English ensuren < Anglo-French enseurer. See en-1, sure

OTHER WORDS FROM ensure

en·sur·er, nounun·en·sured, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for ensure

British Dictionary definitions for ensure

ensure

esp US insure

/ (ɛnˈʃʊə, -ˈʃɔː) /

verb (tr)

(may take a clause as object) to make certain or sure; guaranteethis victory will ensure his happiness
to make safe or secure; protect

Derived forms of ensure

ensurer, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012