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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

A record partnership from Ben Foakes and Tom Lawes rescued Surrey after they were reduced to 65-6 by Warwickshire on the opening day of the County Championship season at Edgbaston.

From BBC • Apr. 3, 2026

It’s right there, the opening sentence of the second paragraph in the Fiscal Year 2027 Topline document just posted on the White House website.

From MarketWatch • Apr. 3, 2026

Rather than replacing doctors, these systems are designed to enhance precision and control in therapy, opening new possibilities for personalized medicine and reshaping how diseases are treated.

From Science Daily • Apr. 2, 2026

He hoped it was like the garage-door opener at home, where the same code worked for opening and closing.

From "Found" by Margaret Peterson Haddix

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