Breadcrumb Home > Thesaurus > F Synonyms of fastball Find synonyms for: Noun 1. fastball, heater, smoke, hummer, bullet, pitch, delivery usage: (baseball) a pitch thrown with maximum velocity; "he swung late on the fastball"; "he showed batters nothing but smoke" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fastball (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: soupon Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language