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Synonyms

opener

American  
[oh-puh-ner] / ˈoʊ pə nər /

noun

  1. a person or thing that opens.

  2. a device for opening opening sealed containers.

    can opener.

  3. the first of several theatrical numbers, variety acts, sports events, etc..

    a humorous monologue as an opener.

  4. Poker. openers, cards in a hand, as a pair of jacks or better, that according to a given standard are worth enough to enable the holder to make the first bet of a deal.

idioms

  1. for openers, as an initially stated reason or argument; at the outset; to begin with.

    Well, for openers, I don't have the money.
opener British  
/ ˈəʊpənə /

noun

  1. an instrument used to open sealed containers such as tins or bottles

    a bottle opener

  2. a person who opens, esp the player who makes the first bid or play

  3. the first or opening section or episode in a series

  4. the first song, act, etc, in a variety show

  5. (plural) a start; beginning (esp in the phrase for openers )

"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 Word Forms

  • self-opener noun

Etymology

Origin of opener

First recorded in 1540–50; open + -er 1

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.

Magic Johnson, the Dodgers’ co-owner and the foremost winner in Los Angeles sports history, threw out the ceremonial first pitch before the Dodgers’ opener.

From Los Angeles Times • Apr. 4, 2026

The Seattle Mariners ruin the Angels’ home opener, holding them to just one hit over 10 innings in a 3-1 victory.

From Los Angeles Times • Apr. 4, 2026

Being from the same confederation as Haiti, Curacao were seen as ideal opponents to help prepare for their World Cup group opener in Boston on 14 June.

From BBC • Mar. 29, 2026

Devdutt Padikkal added 61 from 26 balls and RCB captain Rajat Patidar 31 from 12, although England opener Phil Salt sliced a catch to cover for eight.

From BBC • Mar. 28, 2026

Darrell Royal responded by kicking him off the team two days before the season opener against Boston College.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

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.