intr.v. pre·pon·der·at·ed, pre·pon·der·at·ing, pre·pon·der·ates
1. To be greater than something else, as in power, force, quantity, or importance; predominate: “In balancing his faults with his perfections, the latter seemed rather to preponderate” (Henry Fielding).
2. Archaic To exceed something else in weight.
[Latin praeponderāre, praeponderāt-, to outweigh, preponderate : prae-, pre- + ponderāre, to weigh; see (s)pen- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.