Grow hardened
Keep and grow hardened are semantically related. In some cases you can use "Keep" instead a verb phrase "Grow hardened".
Keep
Keep verb - To mark with an appropriate practice, rite, or ceremony.
Grow hardened and keep are semantically related. Sometimes you can use "Grow hardened" instead a verb "Keep".
Cite this Source
Keep and Grow hardened. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/grow_hardened/keep
Grow hardened & Keep. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/grow_hardened/keep>.
Keep or Grow hardened. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/grow_hardened/keep.
Google Ngram Viewer shows how "grow hardened" and "keep" have occurred on timeline