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adjective C1 Advanced Uncommon

benign

bih-NYN

Benign (adjective) means Kind, gentle, and well-meaning. Example: “Her benign smile put the nervous students at ease.”

adjective
1
Kind, gentle, and well-meaning.
"Her benign smile put the nervous students at ease."
2
In medicine, describing a growth or tumor that is not cancerous and unlikely to spread.
"The doctors confirmed the lump was benign and needed no further treatment."
"A benign tumor can still cause problems if it grows large enough."

How to use benign

Learner’s notes

In plain EnglishHarmless and gentle — used for kindly people, mild situations, and, in medicine, non-cancerous growths.

Common mistake

The medical opposite of benign is malignant, not "malign" — malign is a different (though related) word meaning to speak badly of someone.

Easily confused with
Common pairings
benign tumor benign neglect a benign smile

Word forms

benigner comparative, more benign comparative, benignest superlative, most benign superlative

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Test yourself on “benign” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Her _____ smile put the nervous students at ease.

Etymology

From Old French benigne, from Latin benignus, combining bene ("well") and genus ("kind, sort") — literally "of good nature."

Origin: Latin

Antonyms

Related words

Frequently asked questions

What does “benign” mean?

The word “benign” means kind, gentle, and well-meaning. In plain terms, harmless and gentle — used for kindly people, mild situations, and, in medicine, non-cancerous growths.

How do you pronounce “benign”?

“Benign” is pronounced bih-NYN (/bɪˈnaɪn/ in IPA).

How do you use “benign” in a sentence?

Here is “benign” used in a sentence: “Her benign smile put the nervous students at ease.”

What is the opposite of “benign”?

The opposite of “benign” — its antonyms — is malign.

What part of speech is “benign”?

“Benign” is an adjective.

Where does the word “benign” come from?

The word “benign” comes from Latin. From Old French benigne, from Latin benignus, combining bene ("well") and genus ("kind, sort") — literally "of good nature.".

Is “benign” a common word?

“Benign” is an uncommon word in modern English, usually learned at around the C1 level.

How many meanings does “benign” have?

“Benign” has 2 distinct senses listed in this dictionary. The most common is: kind, gentle, and well-meaning.

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Definitions: FreeDict original editorial