Definition of oppositionless in English:

oppositionless

adjective

rare
  • Free from or having no opposition; containing or involving no opposites.

Origin

Mid 18th century; earliest use found in Horace Walpole (1717–1797), author, politician, and patron of the arts. From opposition + -less.

Pronunciation

oppositionless

/ˌɒpəˈzɪʃnləs/