Toughen metal or glass 7 Little Words Answer

We have the 6-letter answer for Toughen metal or glass crossword clue, last seen in the 7 Little Words April 21, 2026 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

Toughen metal or glass 7 Little Words Answer is…

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Clue & Answer Definitions

• TOUGHEN (verb)
  1. make tough or tougher
• ANNEAL (verb)
  1. bring to a desired consistency, texture, or hardness by a process of gradually heating and cooling

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