Dictionary.com
Thesaurus.com

LGBT

American  

adjective

  1. pertaining collectively to people who identify as lesbian, gay, bisexual, and transgender.

    the LGBT community.

noun

  1. Usually LGBTs, LGBT's a person in this group.

    Which city has the most LGBTs?
LGBT British  

abbreviation

  1. lesbian, gay, bisexual, and transgender

"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

noun

  1. a lesbian, gay, bisexual, or transgender person

"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 LGBT

First recorded in 1990–95; by abbreviation

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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