Strenuous

"Strenuous" in Spanish

agotador

(requiring great exertion)

arduo

(requiring great exertion)

esforzado

(having great vigour)

estrenuo

(having great vigour)

extenuante

(requiring great exertion)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.