To combine or mix so that the constituent parts are indistinguishable from one another: "He has no difficulty blending his two writing careers: novels and films\u201d ( Charles E. Claffey). To combine (varieties or grades) to obtain a mixture of a particular character, quality, or consistency: blend tobaccos. To form a uniform mixture: "The smoke blended easily into the odor of the other fumes\u201d ( Norman Mailer). To become merged into one; unite. To create a harmonious effect or result: picked a tie that blended with the jacket. See Synonyms at mix. The act of blending. Something, such as an effect or a product, that is created by blending: "His face shows, as he stares at the fire, a blend of fastidiousness and intransigence\u201d ( John Fowles). See Synonyms at mixture. Linguistics A word produced by combining parts of other words, as smog from smoke and fog.