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Definitions

opener

[oh-puh-ner] / ˈoʊ pə nər /










NOUN
master key
Synonyms






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.

On SeatGeek, for instance, the World Cup opener between Mexico and South Africa at Azteca Stadium in Mexico City edged out Portugal-Colombia for the priciest group-stage game.

From The Wall Street Journal • May 8, 2026

Ollie Watkins' opener and Emi Buendia's penalty put Villa ahead on the night and then in the tie.

From BBC • May 7, 2026

After losing the opener of their first-round series to favored Edmonton, the Ducks won four of the next five.

From Los Angeles Times • May 7, 2026

Not all U.S. games are priced as high as the opener, however.

From The Wall Street Journal • Apr. 29, 2026

“The can opener was in your pack, too,” said Mrs. Sidman.

From "The Wednesday Wars" by Gary D. Schmidt