sinewy
1. [ adjective ] (of meat) full of sinews; especially impossible to chew
Synonyms: stringy unchewable fibrous
Related terms: tough
2. [ adjective ] (of a person) possessing physical strength and weight; rugged and powerful
Synonyms: hefty powerful muscular brawny
Examples:

"a hefty athlete" "a muscular boxer" "powerful arms"

Related terms: strong
3. [ adjective ] consisting of tendons or resembling a tendon
Synonyms: tendinous
Related terms: tendon tendon
Similar spelling:   sinew
  sine
  sin
  sion
  Sinn
  Sime
  Sian
  Siwan
  sienna