Polyadic (adj)
pol-ee-ad-ik
Involving three or more quantities, elements, or individuals.
Early 20th century: from poly- ‘many’, on the pattern of words such as dyadic, monadic.
Example sentences
“The polyadic interactions were experience for adult life.”

Soigné (adj) swahn-yay Carefully or elegantly done, operated, or designed First recorded in 1915–20. Borrowed directly from French; originally from soin, meaning “care.” (more…)