[ 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.

Nearby words

  1. enspirit,
  2. enstatite,
  3. enstrophe,
  4. ensue,
  5. ensuing,
  6. enswathe,
  7. ent,
  8. ent-,
  9. entablature,
  10. entablement

Origin of ensure

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

Related formsen·sur·er, nounun·en·sured, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ensured

British Dictionary definitions for ensured


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 Formsensurer, 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

Word Origin and History for ensured



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