slowball noun 3verb 2forms 3 noun3 •A pitch that is not a fastball or curveball; often a change-up. •Steady, cautionary behavior as a delaying tactic.“We imagine that the Russians and the Chinese are going to play slowball here,” said a senior official involved in the sanctions talks. — 2007 •An easy or obvious target.Remember: In work problems, use your common sense to narrow down answer choices! Now we're going to throw a "slowball" at you. — 1998 verb2 •To pitch a slowball. •To delay something for personal advantage.A prolonged study is frequently a method of slowballing an investigation until the Senators or Congress who are interested pass from the political scene. — 1965 formsslowballed · slowballing · slowballs