Called it quits is a phrase that is used to describe the act of ending something, usually a job or relationship. The crossword solutions for this phrase are CEASED, PARTED, and RETIRED. CEASED means to stop or discontinue, while PARTED means to separate or go in different directions. Retired is used to describe someone who has left their job or profession, usually due to age or health reasons. All three words can be used to describe the act of calling it quits.