The Open Dictionary

interminable

adjective

UK/ɪnˈtɜː.mɪ.nə.bᵊl/
US/ɪnˈtɝː.mɪ.nə.bᵊl/

Definitions of interminable adjective

  1. Continuing for an excessively long time, often causing boredom or annoyance.

    • The meeting seemed interminable.

    • The movie's length felt interminable.

    • He gave an interminable and pointless speech.