vehement

UK: /ˈviːəmənt/ US: /ˈviəmənt/ ,(vē′ə mənt)

WordReference Random House Learner's Dictionary of American English © 2026

ve•he•ment /ˈviəmənt/   adj. 

1. zealous;
   passionate:
   a vehement argument.
2. characterized by anger or strong feeling:
   vehement opposition.
3. marked by or done with great energy or vigor:
   a vehement shake of the head.

ve•he•mence, ve•he•men•cy, n. [uncountable]
ve•he•ment•ly, adv. 

WordReference Random House Unabridged Dictionary of American English © 2026

ve•he•ment  (vē′ə mənt), adj. 

1. zealous;
   ardent;
   impassioned:
   a vehement defense; vehement enthusiasm.
2. characterized by rancor or anger;
   violent:
   vehement hostility.
3. strongly emotional;
   intense or passionate:
   vehement desire.
4. marked by great energy or exertion;
   strenuous:
   vehement clapping.

• Latin vehement-, stem of vehemēns, vēmēns violent, forceful (of uncertain derivation)
• 1475–85

ve′he•ment•ly, adv. 
Synonyms

• 1. earnest, fervent, fervid.
• 2. burning, fiery.

Antonyms

• 1, 2. dispassionate.

Collins Concise English Dictionary © HarperCollins Publishers::

vehement / ˈviːɪmənt/ adjective

1. marked by intensity of feeling or conviction; emphatic
2. (of actions, gestures, etc) characterized by great energy, vigour, or force; furious

Etymology: 15th Century: from Latin vehemēns ardent; related to vehere to carry

ˈvehemence, ˈvehemency noun

ˈvehemently adverb