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superharden
American
[soo-per-hahr-dn]
/ ˌsu pərˈhɑr dn /
verb (used with object)
Military.
Etymology
Origin of superharden
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.
