What does fastball mean?
A fastball is the fastest and most fundamental pitch in baseball, thrown with maximum velocity and minimal spin-induced movement so that it travels in a nearly straight line toward the batter. Because raw speed is its defining feature, the term carries strong connotations of power and directness, and pitchers known for velocity are often celebrated for their heaters. The word has also entered everyday figurative use, especially in informal American English: to 'throw someone a fastball' means to confront them with something sudden and difficult to handle. Originating in late nineteenth-century American baseball terminology, fastball remains central to how fans discuss pitching, with variants such as the four-seam and two-seam fastball distinguished by grip and movement. Its blend of technical precision and vivid metaphor makes it one of the sport's most recognizable exports to general language.
nounA fast pitch thrown in baseball with little or no curve, typically the fastest pitch in a pitcher's repertoire. By extension, it can describe anything delivered or done at high speed.
- A fast, essentially straight pitch thrown in baseball, usually the fastest a pitcher can deliver.
- Figuratively: something delivered or moving with great speed or force (e.g. 'life threw him another fastball').
"The closer blew the batter away with a blazing fastball on the final pitch."
"She struck out the side with a devastating fastball that touched 98 miles per hour."
"Just when things were settling down, life threw him another fastball."
Regular plural formation; used when discussing multiple pitches or several pitchers' repertoires.
"Both relievers lived on fastballs in the eighth inning."
The fastest recorded major-league fastball topped 105 mph — faster than a cheetah's top sprint speed.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of fastball
Fastball is a compound of 'fast' and 'ball', both inherited from Germanic roots: 'fast' comes from Old English 'fæst', originally meaning firm or secure before evolving to mean rapid, while 'ball' traces back through Middle English to Old Norse 'böllr'. The compound arose in American baseball slang in the late nineteenth century as organized professional baseball popularized specialized pitch terminology. Related Germanic-rooted words include 'fasten' and 'steadfast'.
How fastball is actually used
Fastball is primarily associated with North American baseball culture and carries connotations of power and directness. In figurative use ('throw someone a fastball'), it appears mostly in informal American English.
Easily confused with fastball
A curveball is a slower pitch that breaks sharply sideways or downward, whereas a fastball travels straight at high speed.
A slider is an intermediate breaking pitch with lateral movement, while a fastball is thrown with maximum velocity and minimal movement.