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Definitions

opening

[oh-puh-ning] / ˈoʊ pə nɪŋ /
NOUN
gap, hole
Synonyms
STRONG
aperture breach break cavity chink cleft crack cranny crevice cut discontinuity door fissure hatch interstice mouth orifice outlet perforation recess rent rift rupture scuttle slit slot space split spout tear vent window
Antonyms
STRONG
agreement closing closure continuation juncture
WEAK
conclusion ending finish misfortune solid
NOUN
chance
Synonyms
STRONGEST
opportunity show time
STRONG
availability connection cut fling go occasion place possibility run scope shot squeak vacancy whack
WEAK
big break in the running iron in the fire look-in
Antonyms
WEAK
closing closure conclusion ending finish misfortune solid
NOUN
beginning
Synonyms
STRONGEST
commencement inauguration kickoff launch launching opener start
STRONG
birth dawn inception initiation onset outset
WEAK
coming out curtain-raiser
Antonyms
STRONGEST
completion end ending finish stop
STRONG
conclusion
WEAK
closing closure misfortune solid

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.

I was more nervous about opening up my medical records to a chatbot than getting my arm pricked.

From The Wall Street Journal • Apr. 4, 2026

More parents are also opening up brokerage accounts for their children to invest, including new teen accounts that allow kids ages 13 to 17 to trade without parental approval, MarketWatch recently reported.

From MarketWatch • Apr. 4, 2026

Now, with her song opening A24’s “The Drama,” she may finally be getting her moment in the spotlight.

From Los Angeles Times • Apr. 3, 2026

In a tempestuous opening couple of minutes, St Helens' Jake Wingfield accused Brad O'Neill of spitting in his face, with referee Jack Smith putting the incident on report.

From BBC • Apr. 3, 2026

The opening at the top of the dome was closed with a piece of clear ice.

From "Black Star, Bright Dawn" by Scott O'Dell

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.