American English

Definition of wrongful adjective from the Oxford Advanced American Dictionary

 

wrongful

 adjective
adjective
NAmE//ˈrɔŋfl//
 
[usually before noun] (law)
 
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not fair, morally right, or legal She decided to sue her employer for wrongful termination.
NAmE//ˈrɔŋfəli//
 
adverb to be wrongfully convicted/terminated Which Word?wrong / wrongly / wrongfullyIn informal language, wrong can be used as an adverb instead of wrongly when it means “incorrectly” and comes after a verb or its object:My name was spelled wrong. I’m afraid you guessed wrong.Wrongly is used before a past participle or a that clause:He was wrongly targeted by the media. She guessed wrongly that he was a teacher.Wrongfully is often used in a formal legal situation with words like convicted, dismissed, and imprisoned.
See the Oxford Advanced Learner's Dictionary entry: wrongful