long-term
/ˌlɒŋ ˈtɜːm/ (bre, ipa) · /ˌlɔːŋ ˈtɜːrm/ (ame, ipa) · /ˈlȯŋ-ˈtərm/ (ame, mw)
long-term — adjective
1. describing something that lasts for a very long time, especially something whose
describing something that lasts for a very long time, especially something whose effects or influence will continue far into the future
Renata is saving money every month for her long-term goal of opening a small bakery.
long-term + goal / plan / objective
The long-term effects of the new treatment are still being studied by medical researchers.
long-term + effects + of [noun phrase]
The city council has created a long-term plan to improve public transport over the next twenty years.
Long-term changes in ocean temperatures cannot be reversed in just a few months.
Samir believes that regular exercise brings long-term benefits to his heart and lungs.
- long-lasting
more common for physical objects (e.g., a long-lasting battery); long-term is preferred for abstract concepts like plans or effects
- extended
suggests a period that has been lengthened beyond what is usual; often used for contracts, leave, or travel
- prolonged
often carries a negative connotation (prolonged illness, prolonged delay); long-term is neutral
- short-term
the direct opposite — covering a short period of time rather than a long one
- temporary
lasting only for a limited time, with no expectation of continuation
文法句型
long-term + noun
be + long-term
用法筆記
Frequently contrasted with 'short-term' to show a difference in time horizon. Common in contexts of planning, finance, health, environmental policy, and personal relationships. The hyphenated form ('long-term') is standard when the adjective appears before a noun; the open form ('long term') is common after the verb 'be'.