1. High, lofty, tall, towering refer to something that has considerable height. High is a general term, and denotes either extension upward or position at a considerable height: six feet high; a high shelf. Lofty denotes imposing or even inspiring height: lofty crags. Tall is applied either to something that is high in proportion to its breadth, or to anything higher than the average of its kind: a tall tree, building. Towering is applied to something that rises to a great or conspicuous height as compared with something else: a towering mountain.

Did you mean overweigh?