/ Dictionary / Index S simply-connected: Meaning and Definition of Find definitions for: sim•ply-con•nect•ed Pronunciation: (sim'plē-ku-nek"tid), [key] — adj. Math. (of a set or domain) having a connected complement. (of a set or domain) having the property that every simple closed curve in the set can be shrunk to a point without intersecting the boundary of the set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. simply simply ordered set Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language