Synonyms of the word 
TENDINOUS → SINEWY
tendinous
- adj. Of, pertaining to, or resembling a tendon or sinew.
sinewy
- adj. Tough; having strong sinews.
- adj. (figuratively) Having or showing nervous strength.
- adj. (of a person) Possessing physical strength and weight; rugged and powerful.
If you are interested in words, visit the following sites :
- wiktionary.org/tendinous For complete definition of a word
- 1word.ws/tendinous to play with words, suffixs, prefixs, etc.