Crossword puzzle clue "toughening up"

Here are the possible solutions for toughening up clue

Answer
Clue
Relevancy
inuring
Clue
Toughening
Definition
INURE, to accustom oneself to accept unpleasant things
temperingarizona
Clue
Toughening a Southwest state?
toning
Clue
Toughening (up)

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