ADVERSE Definition & Meaning - Merriam-Webster
The meaning of ADVERSE is acting against or in a contrary direction : hostile. How to use adverse in a sentence. Adverse vs. Averse.
ADVERSE | definition in the Cambridge English Dictionary
ADVERSE meaning: 1. having a negative or harmful effect on something: 2. having a negative or harmful effect on…. Learn more.
Adverse - definition of adverse by The Free Dictionary
1. Acting or serving to oppose; antagonistic: adverse criticism. 2. Contrary to one's interests or welfare; harmful or unfavorable: adverse circumstances. 3. Moving in an opposite or opposing direction: …
adverse adjective - Definition, pictures, pronunciation and usage notes ...
negative and unpleasant; not likely to produce a good result. Lack of money will have an adverse effect on our research programme. They have attracted strong adverse criticism. This drug is known to …
ADVERSE definition in American English | Collins English Dictionary
Adverse decisions, conditions, or effects are unfavorable to you. The police said Mr. Hadfield's decision would have no adverse effect on the progress of the investigation.
adverse - Wiktionary, the free dictionary
Nov 1, 2025 · Adverse is sometimes confused with averse, though the meanings are somewhat different. Adverse most often refers to things, denoting something that is in opposition to someone's …
Adverse Definition & Meaning | YourDictionary
Contrary to one's interests or welfare; harmful or unfavorable. Adverse circumstances.
adverse, adj. & n. meanings, etymology and more | Oxford English …
There are six meanings listed in OED's entry for the word adverse. See ‘Meaning & use’ for definitions, usage, and quotation evidence.
ADVERSE | definition in the Cambridge Learner’s Dictionary
ADVERSE meaning: 1. things that cause problems or danger: 2. something negative that is said or written about…. Learn more.
The NCI Common Terminology Criteria for Adverse Events is a descriptive terminology which can be utilized for Adverse Event (AE) reporting. A grading (severity) scale is provided for each AE term.