verb
ensure
ihn-SHAW
verb
1
To make certain that something happens or is true.
"Please ensure the doors are locked before you leave."
"The coach worked hard to ensure the team was ready for the final."
How to Use Ensure
Learner’s notesIn plain EnglishTo make sure of something, guaranteeing it happens.
Common mistake
Don't confuse with "insure" (to protect financially against loss) or "assure" (to tell someone confidently that something is true).
Easily confused with
insure
assure →
Common pairings
ensure that
ensure safety
ensure quality
Word Forms
ensured past tense, ensures singular
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Please _____ the doors are locked before you leave.
Etymology
From Anglo-Norman enseurer, from Old French seur ("sure"). A doublet of "insure."