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superharden

American  
[soo-per-hahr-dn] / ˌsu pərˈhɑr dn /

verb (used with object)

Military.

  1. harden.

Etymology

Origin of superharden

super- + harden

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Last week Ronald Reagan reversed course again and said that it was not economically or strategically feasible to "superharden" the concrete of old Minuteman silos, which are to be the temporary base of the first 40 missiles.

From Time Magazine Archive

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.