/ Dictionary / Index S seclusive: Meaning and Definition of Find definitions for: se•clu•sive Pronunciation: (si-kl'siv), [key] — adj. tending to seclude, esp. oneself. causing or providing seclusion. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. seclusion secobarbital 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