Dictionary.com
Thesaurus.com
Synonyms

lead-in

American  
[leed-in] / ˈlidˌɪn /

noun

  1. something that leads in or introduces; introduction; opening.

  2. Radio, Television.

    1. the connection between an antenna and a transmitter or receiving set.

    2. the portion of a program or script that precedes or introduces a commercial.


adjective

  1. (of a conductor) carrying input to an electric or electronic device or circuit, especially from an antenna.

lead-in British  
/ ˈliːdˌɪn /

noun

    1. an introduction to a subject

    2. ( as modifier )

      a lead-in announcement

  1. the connection between a radio transmitter, receiver, etc, and the aerial or transmission line

"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

Etymology

Origin of lead-in

First recorded in 1910–15; noun, adj. use of verb phrase lead in

Vocabulary lists containing lead-in

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Its episodic encores are currently airing on Fox as a lead-in to “The Faithful,” whose showrunner, René Echevarria, is an old hand at both network and cable, and whose work includes “The 4400.”

From Salon • Mar. 29, 2026

New tariffs will require a longer lead-in time before they are imposed.

From BBC • Feb. 20, 2026

Later I switched to “Some Kind of Wonderful” by Grand Funk Railroad for a simple reason: Whenever she’s around my heart beats in rhythm with the 1974 tune’s powerful drum lead-in.

From The Wall Street Journal • Feb. 13, 2026

When the first ball is finally bowled after a chaotic lead-in, Pakistan will open the tournament against the Netherlands in Colombo.

From Barron's • Feb. 5, 2026

The anchor’s lead-in: Adoptions are about giving new homes to children who don’t have families.

From "Little Fires Everywhere" by Celeste Ng

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "lead-in" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com