Learning Center

Dictionary

Type a word in English or Spanish. English is blue, Spanish is rose. Tap any line to hear it.

toughen

English

  1. 🔊 make tough or tougher
    “This experience will toughen her”

Similar words

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