- (may take a clause as object)
to make certain or sure; guarantee: this victory will ensure his happiness to make safe or secure; protect
WordReference Random House Learner's Dictionary of American English © 2025
en•sure /ɛnˈʃʊr, -ˈʃɜr/USA pronunciation
v. [~ + object], -sured, -sur•ing.
WordReference Random House Unabridged Dictionary of American English © 2025- to guarantee;
make sure:taking measures to ensure success.[ ~ + obj + obj]:This letter will ensure you an interview.[~ + (that) clause]Come early to ensure that you get a seat. - to make secure or safe:How can a good luck charm ensure your safety?
en•sure
(en shŏŏr′, -shûr′),USA pronunciation v.t., -sured, -sur•ing.
en•sur′er, n.
- 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).
- Anglo-French enseurer. See en-1, sure
- Middle English ensuren 1350–1400
- 3.See corresponding entry in Unabridged protect, guard, safeguard.
Collins Concise English Dictionary © HarperCollins Publishers::
'ensure' also found in these entries (note: many are not synonyms or translations):
Advertising Standards Authority
- Dawes plan
- Iphigenia
- PPE
- administration order
- appearance money
- army of occupation
- assure
- auspicate
- banding
- bankable
- bench test
- check
- commutator
- compliance officer
- conjecture
- continuity girl
- controlling interest
- coupling
- de bene esse
- employment equity
- enforce
- expediter
- fire sale
- formal
- frank
- gay power
- goalpost
- guarantee
- homogenize
- hush money
- insure
- interlock
- liaison
- make
- mechanic's lien
- menat
- mind
- mine examiner
- overkill
- palladium
- parity check
- perfuse
- pitch shot
- production control
- register
- regulate
- road test
- rselection
- secure