first base


Definition of first base

1 : the base that must be touched first by a base runner in baseball
2 : the player position for defending the area around first base
3 : the first step or stage in a course of action plans never got to first base

Keep scrolling for more

Other Words from first base

first baseman \ -​ˈbā-​smən How to pronounce first baseman (audio) \ noun

Examples of first base in a Sentence

a runner on first base She hit a ground ball to first base. He used to be a catcher, but now he plays first base.
See More

Recent Examples on the Web

Advertising Goldschmidt also flashed some nifty glove work at first base. Joe Totoraitis, The Seattle Times, "Cards’ Goldschmidt hits 3 HRs, walked intentionally in 9th," 30 Mar. 2019 Mays’ throw kept Doby at third base and also prevented the runner on first base from advancing. John. N. Mcmurray, Smithsonian, "Even Today, Willie Mays Remains a Giant in Baseball History," 6 June 2018 The major nominees of the night Tied for the most nominations of the night at 12 are Mean Girls and SpongeBob SquarePants: The Broadway Musical — the first based on the hit 2004 film and the other on the popular Nickelodeon cartoon. Dave Quinn,, "Everything You Need to Know About the 2018 Tonys — Including How to Watch and Who's Nominated," 7 June 2018 Martínez swung and got jammed, fisting a weak ground ball to first base, ending the game and leaving him with nothing besides the handle of his bat. Jared Diamond, WSJ, "Mariano Rivera Elected Unanimously to Baseball Hall of Fame," 22 Jan. 2019 Bregman took off for first, but Lucroy calmly picked up the ball and ... threw it past first base, allowing the winning run to score. Pete Grathoff, kansascity, "‘How do you lose a game on that?’ The Astros had one of weirdest walk-off wins ever," 11 July 2018 Alex Bregman moved from third base to shortstop and Yuli Gurriel, who was at first base, went to third. Chandler Rome, Houston Chronicle, "Marwin Gonzalez exits game with injured left wrist," 11 July 2018 Joey Gallo, Ryan Rua and Jurickson Profar, Monday's starter there, will get time at first base, too. Jeff Wilson, star-telegram, "Guzman looking for permanent stay as Rangers' first baseman," 10 July 2018 The Phillies have a logjam at first base already, with Carlos Santana holding down the spot while Rhys Hoskins plays in the outfield. Ben Pope,, "Phillies prospect Joey Meneses looks MLB-ready, whether here or elsewhere," 9 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'first base.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of first base

1848, in the meaning defined at sense 1

Keep scrolling for more

Learn More about first base

Statistics for first base

Last Updated

21 May 2019

Look-up Popularity

Time Traveler for first base

The first known use of first base was in 1848

See more words from the same year

Keep scrolling for more

More Definitions for first base

first base


English Language Learners Definition of first base

baseball : the base that must be touched first by a base runner also : the position of the player who defends the area around first base

Comments on first base

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


highly pertinent or appropriate

Get Word of the Day daily email!

Test Your Vocabulary

Challenging Vocabulary Quiz Returns!

  • stylized drawing of woman pole vaulting across gap to get trophy
  • Which is a synonym of fuliginous?
True or False

Test your knowledge - and maybe learn something along the way.


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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!