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Idioms and Phrases with needless to say

needless to say

Very likely or obvious, self-evident, as in Needless to say, the availability of assault weapons is closely connected with crime. Although nonsensical at first glance (if unnecessary to say, why say it?), this phrase is generally used for emphasis. It originated as needless to speak in the early 1500s. Also see go without (saying).

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.