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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 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

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.

As he sings on “Come Back,” the album’s plaintive opener, “I had a really strange reaction, delayed I think by simple fear, if I don’t listen I can’t hear.”

From Salon • May 15, 2026

Notre Dame Sherman Oaks rallies for a 6-3 win over Anaheim Canyon in a Southern Section Division 1 softball playoff opener.

From Los Angeles Times • May 15, 2026

Sylmar 7, Marshall 0: Matthew Torres threw a complete game with six shutouts to lead the top-seeded Spartans in a Division I opener.

From Los Angeles Times • May 14, 2026

In Goonies terms, that gate opener is so complicated that Chunk would still be waiting to get in.

From Barron's • May 14, 2026

After all, the main question will be the opener: Hello, are you there?

From "The Lives of a Cell" by Lewis Thomas

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