Toughen

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • v. To make or become tough. See Synonyms at harden.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • v. To make tough.
  • v. To become tough.
  • the GNU version of the Collaborative International Dictionary of English
  • v. To grow or make tough, or tougher.
  • The Century Dictionary and Cyclopedia
  • Specifically, of copper, in its metallurgy, the elimination of the foreign metals as oxids and of copper oxid itself, changing the qualities of the cast from brittleness to ductility.
  • To grow tough or tougher.
  • To make tough or tougher.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • v. make tough or tougher
  • Verb Form
    toughened    toughening    toughens   
    Hypernym
    Words that are more generic or abstract
    strengthen   
    Cross Reference
    anneal    harden    toughened glass   
    Hyponym
    harden    season   
    Form
    toughened    toughening   
    Synonym
    Words with the same meaning
    strengthen    indurate    inure   
    Rhyme
    Words with the same terminal sound
    muffin