Definition of long-termer in English:

long-termer

noun

  • 1Informal. A person serving a long prison sentence.

  • 2A long-serving official, employee, etc.

Origin

Late 19th century; earliest use found in Chambers's Journal of Popular Literature. From long + term + -er.

Pronunciation

long-termer

/ˌlɒŋˈtəːmə/