The term 'Marx Brothers-like' refers to the style of comedy popularized by the Marx Brothers, a family of American comedians who were active in the early 20th century. The crossword solution for this term is 'ANTIC, ' which is an adjective meaning 'playfully humorous or mischievous.' This term is often used to describe the Marx Brothers' style of comedy, which was characterized by physical humor, puns, and absurd situations.