RhymeZone: harmful definitions

Definitions of harmful:

adjective: able or likely to do harm
adjective: causing or capable of causing harm
Example: "Too much sun is harmful to the skin"
adjective: injurious to physical or mental health
adjective: constituting a disadvantage
adjective: tending to cause great harm
adjective: contrary to your interests or welfare

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See harmful used in context: 3 rhymes, 9 Shakespeare works, several books and articles.