Definition of vehement adjective from the Oxford Advanced Learner's Dictionary

 

vehement

 adjective
adjective
BrE BrE//ˈviːəmənt//
 
; NAmE NAmE//ˈviːəmənt//
 
 
jump to other results
showing very strong feelings, especially anger synonym forceful a vehement denial/attack/protest, etc. He had been vehement in his opposition to the idea. Word Origin late Middle English (describing pain or temperature, in the sense ‘intense, high in degree’): from French véhément or Latin vehement- ‘impetuous, violent’, perhaps from an unrecorded adjective meaning ‘deprived of mind’, influenced by vehere ‘carry’.
See the Oxford Advanced American Dictionary entry: vehement