sturdiness Synonyms

strengths stableness stability soundness solidity security robustness rigidity resilience power potentness potency stalwartness stamina steadfastness stockiness ruggedness heftiness guts vigour vitality vigor toughness strength stoutness steadiness ponderability persistence permanence firmness fastness energy endurance durability determination constancy cohesion burliness brawniness brawn force fortitude hardiness muscularity muscle mightiness might manliness lustiness integrity