Dictionary

beneficial

adjective ben·e·fi·cial \ˌbe-nə-ˈfi-shəl\

: producing good or helpful results or effects : producing benefits

Full Definition of BENEFICIAL

1
:  conferring benefits :  conducive to personal or social well-being
2
:  receiving or entitling one to receive advantage, use, or benefit <a beneficial legacy>
ben·e·fi·cial·ly \-ˈfi-sh(ə-)lē\ adverb
ben·e·fi·cial·ness noun

Examples of BENEFICIAL

  1. He hopes the new drug will prove beneficial to many people.
  2. Regular exercise has many beneficial health effects.
  3. They have a relationship that is beneficial to both of them.
  4. Some insects are harmful but others are beneficial.

Origin of BENEFICIAL

Latin beneficium favor, benefit
First Known Use: 15th century

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