Strenuous
"Strenuous" in Spanish
agotador
(requiring great exertion)
arduo
(requiring great exertion)
esforzado
(having great vigour)
estrenuo
(having great vigour)
extenuante
(requiring great exertion)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.