1350-1400;Middle Englishensuren < Anglo-Frenchenseurer. See en-1, sure
Related forms
ensurer, noun
unensured, adjective
Synonyms
3. protect, guard, safeguard.
Examples from the web for ensure
The large single panes ensure that there is no visual interruption between inside and outside.
We will ensure that these networks are secure, trustworthy and resilient.
Some measures are being taken to ensure economic and financial stability.
By revealing the crux of the story upfront, you pique interest and ensure you don't lose your own trail.
To ensure full consideration, materials should be received as soon as possible.
You can help ensure that our vital work continues for future generations.
The author takes great care to ensure that readers understand the feelings behind the memories.
You'll usually need to fill the basin more than once to ensure that water penetrates throughout the entire root zone.
Railways are constantly carrying out research and subsequent improvements to ensure safety.
Accordingly, the proper procedure of art is to let it go in such a manner as to ensure its coming back again.
British Dictionary definitions for ensure
ensure
/ɛnˈʃʊə; -ˈʃɔː/
verb (transitive)
1.
(may take a clause as object) to make certain or sure; guarantee: this victory will ensure his happiness
2.
to make safe or secure; protect
Derived Forms
ensurer, noun
Word Origin and History for ensure
v.
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.