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Synonyms

hardened

American  
[hahr-dnd] / ˈhɑr dnd /

adjective

  1. made or become hard or harder.

  2. pitiless; unfeeling.

  3. firmly established or unlikely to change; inveterate.

    a hardened criminal.

  4. inured; toughened.

    a hardened trooper.

  5. rigid; unyielding.

    a hardened attitude.

  6. (of a missile base) equipped to launch missiles from underground silos.

  7. (of a missile) capable of being launched from an underground silo.

hardened British  
/ ˈhɑːdənd /

adjective

  1. rigidly set, as in a mode of behaviour

  2. toughened, as by custom; seasoned

  3. (of a nuclear missile site) constructed to withstand a nuclear attack

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • semihardened adjective
  • unhardened adjective
  • well-hardened adjective

Etymology

Origin of hardened

Middle English word dating back to 1325–75; harden, -ed 2

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.