IPA: //ˈviːəməntli//
KK: /ˈviːəməntli/
In a strong and forceful way, often showing intense emotion or passion.
She argued vehemently against the proposal, expressing her strong disapproval.
Vehemently → It is formed from "vehemens" (from Latin, meaning violent or impetuous) and the adverbial suffix "-ly" (meaning in a manner of). The word "vehemently" means in a violent or forceful manner.
Think of someone expressing their feelings in a 'violent' or 'forceful' way — that's what it means to do something vehemently.
No commonly confused words.