heftiness   (TTS Sound)

The heftiness has 2 Senses.

• muscle, heftiness, brawniness, muscularity, sinew, brawn
• 筋肉, 腕力
• possessing muscular strength
• 腕力を備えていること

• massiveness, ponderousness, heftiness, ponderosity, heft
• the property of being large in mass
• 質量がかなり大きいという特性