Definition of abstentionist in English:

abstentionist

noun

  • A person who refrains from exercising his or her vote.

adjective

  • Characterized by the practise or support of political abstention.

Origin

Mid 19th century; earliest use found in Standard (London). From abstention + -ist, after French abstentionniste, noun and adjective.

Pronunciation:

abstentionist

/əbˈstɛnʃənɪst//əbˈstɛnʃ(ə)nɪst/