/euh shoor"euhns, -sherr"-/ , n.
1. a positive declaration intended to give confidence: He received assurances of support for the project.
2. promise or pledge; guaranty; surety: He gave his assurance that the job would be done.
3. full confidence; freedom from doubt; certainty: to act in the assurance of success.
4. freedom from timidity; self-confidence; belief in one's abilities: She acted with speed and assurance.
5. presumptuous boldness; impudence.
6. Chiefly Brit. insurance.
[ 1325-75; ME ass ( e ) ura ( u ) nce ass ( e ) urance. See ASSURE, -ANCE ]
Syn. 2. warranty, oath. 3. See trust. 4. See confidence. 5. effrontery, impertinence, nerve, cheek.
Ant. 3-5. uncertainty.