Synonyms of long-term

long-term

adjective

ˈlȯŋ-ˈtərm 

as in long

lasting for a considerable time

before approving a new drug, the government insists on some long-term research to determine any possible side effects

Synonyms & Similar Words

• long
• lengthy
• far
• great
• endless
• extended
• prolonged
• marathon
• long-lived
• long-drawn-out
• protracted
• permanent
• persistent
• everlasting
• interminable
• longish
• multiyear
• aeonian
• overlong
• all-day
• multiday
• all-night

Antonyms & Near Antonyms

• short-term
• short
• brief
• little
• sudden
• mini
• abrupt
• transient
• short-lived
• curtailed
• transitory
• momentary
• ephemeral
• abbreviated
• fleeting
• condensed
• shortish
• short-range
• shortened
• impermanent

Example Sentences

Recent Examples of long-term

As model capabilities continue to improve and become more broadly available, long-term differentiation is gradually shifting away from the models themselves and toward the enterprise capabilities built around them. — Sanjay Srivastava, Forbes.com, 27 July 2026

The latest pullback brought the stock into the cloud, which is potential long-term support near $107. — Katie Stockton, CNBC, 27 July 2026

The long-term storyline to watch is whether four-star freshman Oscar Rios can demonstrate enough to establish himself as the frontrunner for the job in 2027. — Antonio Morales, New York Times, 27 July 2026

Although researchers continue to evaluate long-term safety and effectiveness, successful clinical trials could eventually reduce transplant waiting lists and make lifesaving organs available to many more patients. — Kaif Shaikh, Interesting Engineering, 27 July 2026