Toughen Synonyms and Antonyms

To become or cause to become tough or strong
  1. strengthen
To make resistant to hardship, especially through continued exposure
  1. flex
  2. soften
  3. tenderize
To make or become tough.
  1. harden

Words Related to Toughen

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.