[ leed-awf, -of ]
See synonyms for leadoff on Thesaurus.com
  1. an act that starts something; start; beginning.

  2. Baseball. the player who is first in the batting order or who is first to bat for a team in an inning.

Origin of leadoff

First recorded in 1890–95; noun use of verb phrase lead off

Other definitions for lead-off (2 of 2)

[ leed-awf, -of ]

  1. leading off or beginning: the lead-off item on the agenda.

Origin of lead-off

First recorded in 1885–90; adj. use of verb phrase lead off

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for lead off

lead off

/ (liːd) /

  1. to initiate the action of (something); begin

  1. an initial move or action

  2. a person or thing that begins something

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with leadoff


Begin, start, go first. For example, We have a panel of three speakers, so will you lead off? [c. 1800]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.