beneficial

The word “beneficial” means producing good results; helpful. In plain terms, good for you or good for something — having a positive effect.

“Beneficial” is pronounced beh-nuh-FIH-shuhl (/ˌbɛnəˈfɪʃəl/ in IPA).

Here is “beneficial” used in a sentence: “Regular exercise is beneficial for heart health.”

The opposite of “beneficial” — its antonyms — are detrimental, maleficial, nocuous, damaging and harmful.

“Beneficial” is an adjective.

The word “beneficial” comes from Late Latin. From Late Latin beneficialis, from Latin beneficium, "a favor or kindness" — the same root behind "benefit.".

“Beneficial” is a fairly common word in modern English, usually learned at around the B2 level.

Both describe something that produces good results. Beneficial emphasizes genuine good or well-being, as in "a beneficial effect on health," while advantageous emphasizes gaining a better position or an edge, often in competition or negotiation.

Both are used, and neither is wrong. "Beneficial to" is the more common and traditional pairing ("exercise is beneficial to health"), while "beneficial for" often appears when a goal or purpose is in view ("beneficial for building stamina"). If in doubt, choose "beneficial to."

Beneficial describes things that produce good results, such as a beneficial change or habit. Beneficent describes a person or agent who actively does good, such as a beneficent donor. In short, people are beneficent; effects and outcomes are beneficial.

The most common opposites of beneficial are harmful, detrimental, and damaging, all describing something that causes harm rather than good. Note that harmless is not a true opposite — it only means causing no harm, not producing good results.