“Toughness” in Japanese
Short answer
Toughness in Japanese is “靱性” (jinsei). Full meaning: toughness (of a material), tenacity, fracture toughness.
Other ways to say “Toughness” in Japanese
タフネス
tafunesu toughness
剛
takashi strength, toughness, bravery, boldness
歯ごたえ
hagotae chewiness, firmness, feel of food while being chewed; challenge (e.g. work, book), toughness
世間擦れ
sekenzure worldly wise, sophisticated, street smart, knowledge of the world (acquired in the school of hard knocks), toughness
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