noun
fastball
Fastball (noun) means a pitch in baseball thrown at high speed, usually with little curve or spin. Example: “His fastball regularly clocks in at over 95 miles per hour.”
noun
1
A pitch in baseball thrown at high speed, usually with little curve or spin.
"Cam Smith bounced to shortstop on a 100 mph fastball, and Jacob Melton also grounded out on an 86.9 mph curveball."
— , White Sox pitching prospect Grant Taylor makes jump from Double-A to perfect major league debut (2025)
"His fastball regularly clocks in at over 95 miles per hour."
How to use fastball
Learner’s notesIn plain EnglishA hard, quick baseball pitch.
Common pairings
throw a fastball
clock a fastball
Vocabulary Flow
Build your vocabulary from words like fastball.
Vocabulary Flow serves the next word, and the next — meaning, pronunciation and an example each time. Practice at your level, or learn English in your own language.
Start vocabulary practice
Word forms
- Plural
- fastballs
- Third person singular
- fastballs
- Past tense
- fastballed
Fill the gap
Can you complete this real example?
His _____ regularly clocks in at over 95 miles per hour.
Etymology
A compound of "fast" and "ball."
Related words
Frequently asked questions
What does “fastball” mean?
The word “fastball” means a pitch in baseball thrown at high speed, usually with little curve or spin. In plain terms, a hard, quick baseball pitch.
How do you use “fastball” in a sentence?
Here is “fastball” used in a sentence: “His fastball regularly clocks in at over 95 miles per hour.”
What is another word for “fastball”?
Words with a similar meaning to “fastball” include cheese, fireball, gas, heat and hummer.
What part of speech is “fastball”?
“Fastball” is a noun.
