What part of speech is “successful”

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successful can be used as an adjective, to refer to an individual or quality that is achieving a desired intention or outcome.

rules and use cases associated with this usage of successful include statements such as 'surprisingly successful,' or 'unexpectedly successful.'

The project was an unexpectedly successful endeavor.

She had a surprisingly successful career in the medical field.

The candidate ran a successful campaign.

when using the adjective form of successful, keep in mind that it implies achievement, so pay close attention to make sure it's used correctly, as an unexpected success requires an unexpected adverb. Additionally, successful is sometimes used in a comparative context, such as 'more successful' and 'less successful.'

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