Definition of long-termist in English:

long-termist

Pronunciation /ˌlɒŋˈtəːmɪst/

noun

British Business Economics
  • A person who acts or makes decisions with a view to long-term aims or consequences; one who takes a long-term view.

adjective

British Business Economics
  • Advocating, characterized by, or based on long-termism; that is designed or planned with a view to long-term aims or consequences.

Origin

1980s; earliest use found in The Financial Times. From long-term + -ist.