Last seen in:
- The Guardian - Speedy crossword No 1,472 - Dec 24 2023
- The Guardian - Quick crossword No 16,552 - May 25 2023
- The Guardian - Quick crossword No 16,506 - Apr 1 2023
- L.A. Times Daily - Jan 8 2023
- L.A. Times Daily - Mar 27 2022
- The Washington Post - Mar 27 2022
- L.A. Times Daily - Mar 23 2022
- The Washington Post - Mar 23 2022
- The Times - Concise - Times Concise No 8588
- The Washington Post - Feb 6 2020
Related Clues:
- Make tough (Var.)
- Inure
- Acclimatize (Var.)
- Make accustomed to (Var.)
- Habituate (to)
- Become accustomed to (Var.)
- Naturalize
- Accustom to hardship (Var.)
- Habituate (Var.)
- Become used (to)
- Acclimatize
- Make immune, as to violence
- Grow accustomed to
- Habituate to something undesirable
- Take effect, in legalspeak