'Toughen' definitions:
Definition of 'toughen'
From: WordNet
verb
Make tough or tougher; "This experience will toughen her"
Definition of 'Toughen'
From: GCIDE
- Toughen \Tough"en\, v. i. & t. [imp. & p. p. Toughened; p. pr. & vb. n. Toughening.] To grow or make tough, or tougher. [1913 Webster]
Synonyms of 'toughen'
From: Moby Thesaurus
- acclimate,
- acclimatize,
- anneal,
- be tough,
- beef up,
- brace,
- brace up,
- buttress,
- calcify,
- callous,
- case harden,
- confirm,
- cornify,
- develop,
- endure,
- firm,
- fortify,
- fossilize,
- gird,
- hang tough,
- harden,
- indurate,
- invigorate,
- lapidify,
- lithify,
- nerve,
- ossify,
- petrify,
- prop,
- refresh,
- reinforce,
- reinvigorate,
- restrengthen,
- season,
- shore up,
- steel,
- stiffen,
- strengthen,
- support,
- sustain,
- temper,
- undergird,
- vitrify