/ Dictionary / Index A annex: Meaning and Definition of Find definitions for: an•nex Pronunciation: (v.u-neks', an'eksn.an'eks, -iks), [key] — v.t. to attach, append, or add, esp. to something larger or more important. to incorporate (territory) into the domain of a city, country, or state: Germany annexed part of Czechoslovakia. to take or appropriate, esp. without permission. to attach as an attribute, condition, or consequence. —n. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: annex (Thesaurus) Annette annexation Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language