Characterized by forcefulness of expression or intensity of emotion or conviction; fervid: a vehement denial. See Synonyms at intense.
Marked by or full of vigor or energy; strong: a vehement storm.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.