1. a body type characterized by a lean, slender build with little muscle or fat; the quality or condition of being an ectomorph.
Usage: somatotype classification; used in fitness and anthropology contexts

Examples

• His ectomorphy made it challenging for him to gain muscle mass despite consistent training.
• The coach recognized her ectomorphy and adjusted her nutrition plan accordingly.
• Ectomorphy is one of three primary body types in Sheldon's somatotype classification system.
• Athletes with ectomorphy often excel in endurance sports like distance running.
• She struggled with ectomorphy throughout her teenage years but learned to embrace her natural frame.