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Definitions

longtime

[lawng-tahym, long-] / ˈlɔŋˌtaɪm, ˈlɒŋ- /
ADJECTIVE
deep-seated
Synonyms
STRONGEST
built-in chronic deep-rooted inbred inherent longstanding
WEAK
confirmed deep-down deeply felt dyed-in-the-wool established fixed habitual inborn lodged in one's brain subconscious
Antonyms
STRONGEST
added temporary
ADJECTIVE
veteran
Synonyms
STRONGEST
old-time skilled trained
STRONG
adept expert old pro steady versed vet wise
WEAK
battle-scarred been around disciplined exercised from way back hardened inured knows one's stuff long-serving long-time not born yesterday of the old school practical practiced proficient sophisticated up to speed weathered wise to ways worldly
Antonyms
STRONG
unskilled
WEAK
amateur green inexperienced

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.

Dimon, the outspoken, longtime JPMorgan boss, has repeatedly warned investors of market and economic turbulence that hasn’t always come to pass.

From Barron's • Apr. 6, 2026

Granado-Gomez said voting is an important way to make a change — but refusing to pay taxes is a longtime tactic that goes back to the Founding Fathers, he added.

From MarketWatch • Apr. 6, 2026

As Christians prepare to observe Easter, remarks from Paula White — a longtime spiritual adviser to Donald Trump — are drawing sharp criticism, including from within Christian communities.

From Salon • Apr. 5, 2026

Some longtime associates say they are relieved to see Blanche take the helm at the Justice Department.

From The Wall Street Journal • Apr. 4, 2026

For this, he chose to blame Donald Cooksey, who, as the longtime associate director of the Rad Lab, served as the official keeper of the Lawrence flame.

From "Big Science" by Michael Hiltzik

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