OBSESSION /əbˈsɛʃən/ Scrabble 11 Words With Friends 13 Definition noun an irrational motive for performing trivial or repetitive actions, even against your will. — synonyms: compulsion noun an unhealthy and compulsive preoccupation with something or someone. — synonyms: fixation See all 112 words you can make from OBSESSION → 9-letter words Words starting with O Words ending with N ← Unscramble different letters