knuckleball

play
noun knuck·le·ball \ˈnə-kəl-ˌbȯl\

Definition of knuckleball

  1. :  a slow baseball pitch that moves erratically and unpredictably and that is thrown with little spin by gripping the ball with the knuckles or the tips of the fingers pressed against the top

knuckleballer

play \-ˌbȯ-lər\ noun

1910

First Known Use of knuckleball

1910


KNUCKLEBALL Defined for English Language Learners

knuckleball

play
noun knuck·le·ball \ˈnə-kəl-ˌbȯl\

Definition of knuckleball for English Language Learners

  • baseball : a pitch that is thrown with very little spin by holding the ball with the knuckles or fingertips


Learn More about knuckleball


Seen and Heard

What made you want to look up knuckleball? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a Mesopotamian temple tower

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • alphabet-magnets
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ