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Definitions

opener

[oh-puh-ner] / ˈoʊ pə nər /

NOUN

beginning

Synonyms

STRONGEST

birth creation dawn inauguration inception introduction onset opening outset starting point top

STRONG

alpha basis blastoff commencement dawning genesis induction infancy initiation installation kickoff origin origination preface prelude presentation rise root rudiment source spring takeoff threshold

WEAK

day one point of departure square one

Antonyms

STRONGEST

conclusion death end ending finish

STRONG

close completion effect epilogue finale result termination

WEAK

consummation goal outcome

NOUN

commencement

Synonyms

STRONGEST

convocation dawning graduation initiation kickoff onset outset

STRONG

admission alpha birth bow celebration countdown dawn genesis opening services start

WEAK

curtain-raiser proem starting point tee off

Antonyms

STRONGEST

conclusion end ending finish

STRONG

death

WEAK

cessation completion stop

NOUN

curtain raiser

Synonyms

STRONGEST

lead-in warmup

WEAK

countdown curtain lifter curtain warmer inaugural kickoff opening gun opening shot preliminary preview run-up walk-up

NOUN

debut

Synonyms

STRONGEST

appearance beginning inauguration introduction launching presentation

STRONG

admission bow entrance entree entrée graduating graduation incoming initiation

WEAK

coming out coming out party first step

Antonyms

STRONGEST

conclusion end ending finish

WEAK

closing finale

NOUN

incipience

Synonyms

STRONG

alpha basis birth blastoff commencement creation dawn dawning genesis inauguration inception incipiency induction infancy initiation installation introduction kickoff launch onset opening origin origination outset preface prelude presentation rise root rudiment source spring start takeoff threshold top

WEAK

day one leadoff point of departure square one starting point

Antonyms

STRONG

close completion conclusion death effect end ending epilogue finale finish result stop termination

NOUN

incipiency

Synonyms

STRONG

alpha basis birth blastoff commencement creation dawn dawning genesis inauguration inception incipience induction infancy initiation installation introduction kickoff launch onset opening origin origination outset preface prelude presentation rise root rudiment source spring start takeoff threshold top

WEAK

day one leadoff point of departure square one starting point

Antonyms

STRONG

close completion conclusion death effect end ending epilogue finale finish result stop termination

NOUN

key

Synonyms

STRONG

latchkey passkey screw skeleton

Antonyms

WEAK

lock question

NOUN

knob

Synonyms

STRONGEST

doorknob latch lever

STRONG

bulge bulk bump bunch hump knot nub projection protrusion protuberance snag stud swell swelling trigger tumor

WEAK

knurl

Antonyms

STRONG

depression

NOUN

leadoff

Synonyms

WEAK

alpha basis birth blastoff commencement creation dawn dawning day one genesis inauguration inception incipience incipiency induction infancy initiation installation introduction kickoff launch onset opening origin origination outset point of departure preface prelude presentation rise root rudiment source spring square one start starting point takeoff threshold top

NOUN

master key

Synonyms

WEAK

pass'-partout passkey skeleton key

NOUN

opening

Synonyms

STRONGEST

commencement inauguration kickoff launch launching 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

NOUN

opening night

Synonyms

WEAK

debut first appearance first night first showing gala opening gala performance premiere preview sneak preview world premiere

NOUN

open sesame

Synonyms

WEAK

abracadabra abraxas access key keyword magic formula password paternoster secret sign watchword

NOUN

origin

Synonyms

STRONGEST

birth genesis

STRONG

alpha commencement creation dawn dawning embarkation emergence entrance entry forging foundation inauguration ingress initiation introduction launch nativity origination outbreak outset rise start

WEAK

blast off day one early stage git go square one starting point

Antonyms

STRONGEST

conclusion end finish

STRONG

close completion death ending exit stop

WEAK

consequence destiny effect finale goal outcome outgrowth result termination

NOUN

starter

Synonyms

STRONG

initiator innovator inventor originator pioneer

Antonyms

WEAK

adherent follower successor

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.

The Trojans avenged the 5-4 loss they suffered against Texas State on Friday night in the regional opener.

From Los Angeles Times • Jun. 1, 2026

At Wembley, her opener was crucial, coming after Brighton had dominated the first 30 minutes and with City struggling to get a foothold.

From BBC • May 31, 2026

England will hand a debut to opener Emilio Gay in the first Test against New Zealand, with the Durham man coming in for the discarded Zak Crawley.

From BBC • May 29, 2026

Some of the highest ticket prices, for example, for games are for the opener in Mexico City, not the quarterfinals that are going to be held in Boston.

From The Wall Street Journal • May 29, 2026

The bags were filled with cans of soup, which Helen opened up one by one with a few cranks of a can opener.

From "Interpreter of Maladies" by Jhumpa Lahiri

opener

Example Sentences

Related Words