horizontalist

English

Etymology

From horizontal +‎ -ist.

Noun

horizontalist (plural horizontalists)

1. An advocate or believer in horizontalism.

Adjective

horizontalist (comparative more horizontalist, superlative most horizontalist)

1. Relating to horizontalism.
   • 2023, Eleanor Catton, Birnam Wood, page 112:

     Meetings at Birnam Wood were broadly horizontalist. The role of facilitator was allocated on a roster—this time, to a sweet-tempered paediatric nurse named Katie Vander—and discussions proceeded through five set phases: