Muscleless

Origin

From muscle + -less

Full definition of muscleless

Adjective

1. Lacking muscle tissue.
• 2000, M. Benjamin & J. R. Ralphs, "The Cell and Developmental Biology of Tendons and Ligaments", International Review of Cytology, page ‎116In all these studies, the tendons that develop best in muscleless limbs are digital tendons.
2. Feeble, weak, lacking strength or power.
• 2005, George Peper (ed.), The Secret of Golf, page 382I stress that a golfer cannot ever be too boneless or too loose, nor too muscleless.