/ Dictionary / Index S submarining: Meaning and Definition of Find definitions for: sub•ma•rin•ing Pronunciation: (sub"mu-rē'ning), [key] the disappearance or flickering of a cursor on a computer screen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: submarining (Thesaurus) submariner submatrix Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language