/ Dictionary / Index S subjoin: Meaning and Definition of Find definitions for: sub•join Pronunciation: (sub-join'), [key] — v.t. to add at the end, as of something said or written; append. to place in sequence or juxtaposition to something else. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: subjoin (Thesaurus) subject matter subjoinder Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language