Synonyms of stoutly

2 Syllables
headlong, boldly, strongly
3 Syllables
robustly, eagerly, sturdily, brazenly, dauntlessly, valiantly, solidly, gamely, recklessly, daringly, healthily, devoutly, fearlessly, vibrantly
4 Syllables
invincibly, vigorously, securely, courageously
6 Syllables
venturesomely