Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To make sure or certain; insure.

from The Century Dictionary.

  • See insure.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To make sure. See insure.
  • transitive verb obsolete To betroth.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb be careful or certain to do something; make certain of something
  • verb make certain of

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English ensuren, from Anglo-Norman enseurer : Old French en-, causative pref.; see en– + Old French seur, secure, variant of sur; see sure.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Anglo-Norman enseurer, from Old French seur ("sure").

Examples

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