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Toughening

Noun CEFR B2

Definitions

The process of making something tougher.

Equivalents

日本語鍛錬
العربيةالتصلّب
1 more languages

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

Toughens Tougher Toughest toughie Toughing Toughly

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