robust on white paper

robust white paper strong sturdy vigorous resilient reliable durable tough powerful hardy rugged stable sound solid healthy firm substantial unyielding tenacious steadfast capable long-lasting unbreakable sustained enduring robustness potent stalwart forceful energetic staunch fit bulky hearty intense unshakable performance unswerving unflagging vigor potency sturdiness impervious unassailable unwavering steady unflinching indomitable uncompromising secure unbending