Synonyms of strenuousness

1 Syllable

strength, clout, might, arm, sway, punch, steam

2 Syllables

prowess, moxie, force, command, valor, control, muscle, vigor, sinew

3 Syllables

arduousness, mastery, peppiness, energy, lustiness, puissance, potency

4 Syllables

authority, domination, powerfulness, forcibleness, vigorousness, qualifiedness, adequacy, get-up-and-go, efficacy, competence, difficulties, forcefulness, capacity, efficiency, difficulty, jurisdiction

5 Syllables

capability, qualification