a. A belief or conviction that an outcome will be favorable: I have every confidence that we can find a solution.
b. Belief in the certainty of something: The engineers determined with confidence that the ship could withstand heavy seas.
2. Belief in the effectiveness of one's own abilities or in one's favorable acceptance by others; self-confidence.
3. Trust or faith in a person or thing: We are placing our confidence in you to get the job done. See Synonyms at trust.
4. A trusting relationship: I took them into my confidence.
a. That which is confided; a secret: A friend does not betray confidences.
b. A feeling of assurance that a confidant will keep a secret: I am telling you this in strict confidence.
Of, relating to, or involving a swindle or fraud: a confidence scheme; a confidence trickster.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2017 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus