Synonyms and Antonyms of toughening
- weight lifting will help toughen those flabby muscles of yours
- hiking every morning through snow and ice toughened him considerably
- attempts to toughen conditions under which waivers from military service would be permitted
Learn More about toughening
Seen and Heard
What made you want to look up toughening? Please tell us where you read or heard it (including the quote, if possible).