Strenuous
"Strenuous" in Russian
упо́рный
upórnyj
(having great vigour)
усердный
userdnyj
(having great vigour)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.
упо́рный
upórnyj
(having great vigour)
усердный
userdnyj
(having great vigour)
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.