The definition of helpful is someone or something that is useful, that provides assistance or aid, or that is prone to providing aid.adjective
- When someone gives you good and useful advice, this is an example of helpful advice.
- When a person is always asking what he can do to assist you, this is an example of a helpful person.
Used by arrangement with John Wiley & Sons, Inc.
- helpˈful·ly adverb
- helpˈful·ness noun