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ensure definition
en·sure (en s̸ho̵or′, in-)
transitive verb ensured -·sured′, ensuring -·sur′·ing
- to make sure or certain; guarantee; secure: measures to ensure accuracy
- to make safe; protect: safety devices to ensure workers against accidents
- Obsolete insure
Origin: ME ensuren < Anglo-Fr enseurer (for OFr asseurer: see assure) < en- (see en-) + OFr seur, sure
en·sure (ĕn-sho͝orˈ)
transitive verb ensured en·sured, ensuring en·sur·ing, en·sures To make sure or certain; insure: Our precautions ensured our safety. See Usage Note at assure.
Origin: Middle English ensuren, from Anglo-Norman enseurer : Old French en-, causative pref.; see en- 1 + Old French seur, secure, variant of sur; see sure .