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Definitions

so long

NOUN
adieu
Synonyms
STRONGEST
farewell goodbye
STRONG
adios leave-taking parting valediction
WEAK
congé
Antonyms
STRONGEST
hello
WEAK
greeting
NOUN
au revoir
Synonyms
WEAK
adieu adios arrivederci bye bye-bye cheerio good day sayonara
Antonyms
WEAK
hello
NOUN
farewell
Synonyms
STRONGEST
goodbye send-off sendoff
STRONG
adieus adieux leave-taking parting valediction
Antonyms
WEAK
greeting
NOUN
goodbye
Synonyms
STRONGEST
adieu bye-bye
STRONG
Godspeed adios cheerio ciao leave-taking parting
WEAK
swan song toodle-oo
Antonyms
WEAK
hello

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.

There’s nothing wrong with that, of course, so long as Mr. Lanchester hasn’t betrayed any confidences in writing it.

From The Wall Street Journal • May 8, 2026

Oil prices are a threat to the stock, but even higher oil prices can drive demand for more fuel-efficient engines, so long as the economy stays stable amid those higher prices.

From Barron's • May 7, 2026

The sunk-cost fallacy tempts people to pay escalating premiums because they’ve paid in for so long.

From MarketWatch • May 6, 2026

For you guys, how much fun is it for both of you who’ve been around this for so long to share the bill with all these young musicians who are hungry and excited?

From Los Angeles Times • May 4, 2026

He’d been around so long he could sniff out a lame cadet excuse from a mile away.

From "Glitch" by Laura Martin