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A word that is formed by combining syllables from several other words. Each part of the portmanteau word typically retains its original meaning; in combination, then, they give the portmanteau word its unique meaning. For instance, a "dramedy" (a work that is both dramatic and funny) is a portmanteau word combining "drama" and "comedy." Did you know that "brunch" is just a portmanteau word created from "breakfast" and "lunch"? It seems like every famous couple in Hollywood has a portmanteau word that combines their two names.
See also: word