It may be easy for some people to mistake adverse for averse and vice versa because of their similarity in spelling. However, these two terms have different meanings. This post will help you understand the differences between the two.
The word adverse is used as an adjective that means “preventing success or development” or “harmful and unfavorable.”
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On the other hand, the term averse is an adjective used to mean “having a strong dislike of or opposition to something.”
Inflation-averse Germans see fastest price rises in 4-1/2 years
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In a sense, adverse is an adjective you could use to describe something that works against another while averse is a term you could use to describe an attitude or feeling of opposition. Moreover, adverse is usually applicable to things, conditions or actions, while averse is commonly used to describe a person or a group of persons.
The noun form of adverse is adversity while the noun form of averse is averseness. (Nope, there is no such thing as aversity.) Their adverb forms are adversely and aversely, respectively.
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“…which describes the attractiveness or averseness of an emotion as positive or negative, and is thought of as an internal state of a person.”
Asian Scientist Magazine
Phillips told the board her students have been aversely affected.
Shawnee News Star