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[en-shoo r, -shur] /ɛnˈʃʊər, -ˈʃɜr/
verb (used with object), ensured, ensuring.
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.
insure (defs 1–3).
1350-1400; Middle English ensuren < Anglo-French enseurer. See en-1, sure
Related forms
ensurer, noun
unensured, adjective
3. protect, guard, safeguard. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ensures
  • Using an oven thermometer ensures that the oven is at the correct temperature for baking.
  • It ensures that instead of burying their mistakes, doctors learn from them.
  • Inside the gizmo, a network of grippers scurries up the line and ensures that it threads cleanly out the side.
  • It also ensures that some areas don't become overhunted.
  • Native applications downloaded from a single source that simplifies purchases, organizes updates, and ensures security.
  • Included debug software ensures a glitch-free gaming experience.
  • Perimeter ensures the ability to strike back, but it's no hair-trigger device.
  • Together, the setup ensures that a two-hour drive can charge the onboard batteries enough for a one-hour publicity stop.
  • His presence ensures the rise of equally quixotic, equally obsessed adversaries.
  • The template ensures the robot honors start, autonomous, and stop signals from the field controller.
British Dictionary definitions for ensures


/ɛnˈʃʊə; -ˈʃɔː/
verb (transitive)
(may take a clause as object) to make certain or sure; guarantee: this victory will ensure his happiness
to make safe or secure; protect
Derived Forms
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
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Word Origin and History for ensures



late 14c., from Anglo-French enseurer, from en- "make" (see en- (1)) + Old French seur "sure" (see sure); probably influenced by Old French asseurer "assure." Related: Ensured; ensures; ensuring.

Online Etymology Dictionary, © 2010 Douglas Harper
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