: a disorder of the skin that is marked by blemishes (such as whiteheads, blackheads, or pustules) especially on the face, chest, and shoulders and is caused by inflammation of sebaceous glands and hair follicles
especially
: a form found chiefly in adolescents
Examples of acne in a Sentence
a teenager with bad acne
Recent Examples on the Web
It is not recommended to use topical steroids for extended periods to avoid possible side effects like acne, skin thinning, and discoloration.
—
Lana Barhum, Verywell Health, 5 Aug. 2025
The new skin-specific products are more made-to-measure than bespoke, offering routines tailored to fighting acne, hyperpigmentation, and signs of aging.
—Justin Fenner, Robb Report, 31 July 2025
Unlike Huntington’s disease and Tay-Sachs disease, there are no major genetic markers for many cancers or a truly definitive set for heart disease, let alone for intelligence, acne, body-mass index or longevity.
—Arthur Caplan & James Tabery, Scientific American, 28 July 2025
Talk with a dermatologist before experimenting with a home remedy for acne.
—Sherri Gordon, Health, 22 July 2025
See All Example Sentences for acne
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Lana Barhum, Verywell Health, 5 Aug. 2025
The new skin-specific products are more made-to-measure than bespoke, offering routines tailored to fighting acne, hyperpigmentation, and signs of aging.
—Justin Fenner, Robb Report, 31 July 2025
Unlike Huntington’s disease and Tay-Sachs disease, there are no major genetic markers for many cancers or a truly definitive set for heart disease, let alone for intelligence, acne, body-mass index or longevity.
—Arthur Caplan & James Tabery, Scientific American, 28 July 2025
Talk with a dermatologist before experimenting with a home remedy for acne.
—Sherri Gordon, Health, 22 July 2025
See All Example Sentences for acne
Cite this Entry
“Acne.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acne. Accessed 9 Aug. 2025.
Copy CitationKids Definition
acne
noun
ac·ne
ˈak-nē 
: a disorder of the skin caused by inflammation of skin glands and hair follicles and marked by pimples especially on the face
Medical Definition
acne
noun
ac·ne
ˈak-nē
: a disorder of the skin that is marked by blemishes (such as whiteheads, blackheads, or pustules) especially on the face, chest, and shoulders and is caused by inflammation of sebaceous glands and hair follicles
especially
: a form found chiefly in adolescents : acne vulgaris
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