1. Compulsive preoccupation with a fixed idea or an unwanted feeling or emotion, often accompanied by symptoms of anxiety. 2. A compulsive, often unreasonable idea or emotion.
Date of Birth: 22 May, 1987. Ethnicity: Serbian. Novak Djokovic is a Serbian tennis player. He is the son of Dijana (Å½agar), from Vinkovci, and SrÄan Djokovic, from Jasenovo Polje. His paternal grandfather was from Montenegro. His siblings, Marko and Djordje, are also tennis players.
He is coached by former Slovak tennis player MariÃ¡n Vajda and former German tennis player and six-time Grand Slam champion Boris Becker. Djokovic holds the best match winning rate (83.00%) in Open Era, as of August 2016.