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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.

It has never won a tournament opener, with a record of 0-5-2, including a 1-1 draw against South Africa in the opening match of the 2010 World Cup in Johannesburg.

From Los Angeles Times • Jun. 11, 2026

Two summers ago, Scotland's Euros opener proved to be one of their biggest letdowns under Clarke - a 5-1 loss to hosts Germany.

From BBC • Jun. 10, 2026

What I’m most excited about for the opener is finally seeing a game at the legendary Azteca Stadium.

From The Wall Street Journal • Jun. 10, 2026

He starts with the scores for the first matches in each group, including the tournament opener between co-hosts Mexico and South Africa, holders Argentina against Algeria and England versus Croatia.

From BBC • Jun. 10, 2026

Beowulf had gnawed a perfectly usable letter opener out of a piece of wood.

From "The Interrupted Tale" by Maryrose Wood




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