Strenuous Synonyms
Strenuous Synonyms in Adjective Form
- arduous, demanding, difficult, laborious, wearisome, toilsome, hard, tough, rough, rugged, punishing, uphill, troublesome, herculean.
Strenuous Synonym Links: arduous, demanding, difficult, laborious, wearisome, toilsome, hard, tough, rough, rugged, punishing, troublesome, herculean,