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.
[Middle English, from Old French, from Latin vehemēns, vehement-, perhaps from vehere, to carry; see wegh- in Indo-European roots.] ve'he·mence, ve'he·men·cy n., ve'he·ment·ly adv.