Toughen
"Toughen" in sk
stuhnúť
(to become tougher)
stvrdnúť
(to become tougher)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.
stuhnúť
(to become tougher)
stvrdnúť
(to become tougher)
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.