/ Dictionary / Index S subclinical: Meaning and Definition of Find definitions for: sub•clin•i•cal Pronunciation: (sub-klin'i-kul), [key] — adj. Med. pertaining to an early stage of a disease; having no noticeable clinical symptoms. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subclinical (Thesaurus) subclimax subcolumnar Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language