massive see big below
big
A rich, full-bodied (see body) wine that’s concentrated and intensely flavored. Such wines are typically high in alcohol but well balanced. The term massive describes exceptionally big (and magnificent) wines.
The New Wine Lovers Companion, 2nd Edition, by Ron Herbst and Sharon Tyler Herbst. Copyright © (1) 2003, 1995 by Ron Herbst and Sharon Tyler Herbst. Reprinted by arrangement with Barron's Educational Series, Inc.