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toughness

  • noun

The state of being tough.

Other meanings

  1. Resistance to fracture when stressed, or the of such resistance.

  2. A formidable difficulty.

Related words

  • graph toughness

Word history

From Middle English "toughnesse".

Where this comes from

This definition is adapted from “toughness” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.