/ Dictionary / Index S shut-in: Meaning and Definition of Find definitions for: shut-in Pronunciation: (shut'in"), [key] — adj. confined to one's home, a hospital, etc., as from illness. disposed to desire solitude; withdrawn; asocial. (of an oil or gas well) temporarily sealed up. —n. a person confined by infirmity or disease to the house, a hospital, etc. Also calledan oil or gas well that has been closed down. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: shut-in (Thesaurus) shuteye shutoff Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language