Definition of vendetta. 1  1 : blood feud. 2  2 : an often prolonged series of retaliatory, vengeful, or hostile acts or exchange of such acts waged a personal vendetta against those who opposed his nomination.
A strain is a twist, pull and/or tear of a muscle and/or tendon. Tendons are fibrous cords of tissue that attach muscles to bone. Strains and sprains are among the most common sports injuries.
The suffix -itis refers to inflammation. Arthritis is inflammation of a joint, bursitis is inflammation of a bursa, and tendonitis is inflammation of a tendon. Tendonitis typically describes acute irritation of the tendon. If you have chronic tendon problems, it is often referred to as tendonosis or tendonopathy.