/ Dictionary / Index S semipermanent: Meaning and Definition of Find definitions for: sem•i•per•ma•nent Pronunciation: (sem"ē-pûr'mu-nunt, sem"ī-), [key] — adj. not quite permanent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: semipermanent (Thesaurus) semiparasitic semipermeable 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