1
: a science of the establishment and maintenance of health
2
: conditions or practices (as of cleanliness) conducive to health
has poor personal hygiene
Brushing your teeth regularly is an important part of good oral hygiene.
see also feminine hygiene, sleep hygiene
Examples of hygiene in a Sentence
Poor sanitation and hygiene caused many of the soldiers to get sick.
He has very poor personal hygiene.
Brushing your teeth regularly is an important part of good dental hygiene.
Recent Examples on the Web
Contact the establishment and lodge a complaint about hygiene and safety.
—
Harriette Cole, Mercury News, 20 June 2026
Americans generally have little grasp of digital hygiene – knowledge about best practices to minimize negative effects of screens.
—Aarushi Bhandari, The Conversation, 19 June 2026
However, past contestants have shared behind-the-scenes information on social media, opening up about their lack of access to the outside world, hygiene, alcohol consumption and more.
—Francesca Gariano, PEOPLE, 18 June 2026
Siloed companies that lack a unified safety language are especially vulnerable, says Mike Zblewski, Sentry’s director of national accounts, safety and industrial hygiene.
—Sentry Insurance, Forbes.com, 18 June 2026
See All Example Sentences for hygiene
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Harriette Cole, Mercury News, 20 June 2026
Americans generally have little grasp of digital hygiene – knowledge about best practices to minimize negative effects of screens.
—Aarushi Bhandari, The Conversation, 19 June 2026
However, past contestants have shared behind-the-scenes information on social media, opening up about their lack of access to the outside world, hygiene, alcohol consumption and more.
—Francesca Gariano, PEOPLE, 18 June 2026
Siloed companies that lack a unified safety language are especially vulnerable, says Mike Zblewski, Sentry’s director of national accounts, safety and industrial hygiene.
—Sentry Insurance, Forbes.com, 18 June 2026
See All Example Sentences for hygiene
Cite this Entry
“Hygiene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hygiene. Accessed 22 Jun. 2026.
Copy CitationKids Definition
hygiene
noun
hy·giene
ˈhī-ˌjēn 
1
: a science that deals with the bringing about and keeping up of good health in individuals and groups
2
: conditions or practices (as of cleanliness) that are aids to good health
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