WordReference Random House Unabridged Dictionary of American English © 2025
in•sti•tu•tion•ar•y
(in′sti to̅o̅′shə ner′ē, -tyo̅o̅′-),USA pronunciation adj.
- of or pertaining to an institution or institutions;
institutional. - of or pertaining to institution, esp. ecclesiastical institution.
- institution + -ary 1640–50