/ Dictionary / Index I institutionary: Meaning and Definition of Find definitions for: in•sti•tu•tion•ar•y Pronunciation: (in"sti-t'shu-ner"ē, -ty'-), [key] — adj. of or pertaining to an institution or institutions; institutional. of or pertaining to institution, esp. ecclesiastical institution. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. institutionalize institutive Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language