Dictionary Home »
Dictionary Definitions » know-nothing
know-nothing
noun
- an ignorant person; ignoramus
- Rare an agnostic
- a member of a secret political party in the U.S. in the 1850s with a program of keeping out of public office anyone not a native-born American: so called because members professed ignorance of the party's activities
See know-nothing in American Heritage Dictionary 4
Learn more about know-nothing
link/cite print suggestion box