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

When windows are affecting comfort, appearance or performance throughout the home, moving them higher on the renovation list can turn a growing maintenance concern into a meaningful long-term improvement. — Samantha Agate, Miami Herald, 5 Oct. 2026

Related Stories Skydance has a tight runway through the end of 2029 to significantly pare down the long-term debt on the company’s books. — Cynthia Littleton, Variety, 5 Oct. 2026

These vessels give the company a long-term platform for testing several routes toward that goal. — Aamir Khollam, Interesting Engineering, 5 Oct. 2026

The company also signed long-term leases in expensive cities around the world while renting space to members on short-term commitments, a mismatch Neumann acknowledged on the podcast. — Muskaan Arshad, Fortune, 5 Oct. 2026