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Synonyms

without fail

Idioms  

  1. For certain, as in That check will arrive tomorrow morning without fail. This idiom today is used mainly to strengthen a statement. [Early 1700s]

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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