Simple Definition of beneficial
: producing good or helpful results or effects : producing benefits
Examples of beneficial
He hopes the new drug will prove beneficial to many people.
Regular exercise has many beneficial health effects.
They have a relationship that is beneficial to both of them.
Some insects are harmful but others are beneficial.
Origin of beneficial
Latin beneficium favor, benefit
First Known Use: 15th century
Seen and Heard
What made you want to look up beneficial? Please tell us where you read or heard it (including the quote, if possible).