hamstrings Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. one of the tendons at the back of the knee;verb. make ineffective or powerless Example Sentence His hamstrings were tight after the long run. Synonyms tendon; sinew; tendon at back of knee Antonyms skull Hear It! Say It! Write It! hamstrings Switch to cursive Start Share with your friends: