hygiene

noun

Synonyms of hygiene
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
What readers are saying The comments express concerns about safety and hygiene at a library that has become a gathering place for homeless individuals, some with mental health issues. — Juan Benn Jr, Washington Post, 6 Nov. 2026 State inspections also cited other pests (roaches and flies), as well as staff hygiene issues, including one employee seen scratching their nose then handling clean utensils. — Kari Barnett, Sun Sentinel, 5 Nov. 2026 The research underscores a fundamental shift in how consumers view online hygiene, moving away from permanent exposure toward careful compartmentalization. — Arthur Zaczkiewicz, Footwear News, 4 Nov. 2026 NordPass, Dashlane, and Proton Pass all include data breach monitoring for your email addresses and usernames, along with the usual password hygiene tools. — Kim Key, PC Magazine, 3 Nov. 2026 See All Example Sentences for hygiene

Word History

Etymology

French hygiène & New Latin hygieina, from Greek, neuter plural of hygieinos healthful, from hygiēs healthy; akin to Sanskrit su well and to Latin vivus living — more at quick entry 1

First Known Use

1799, in the meaning defined at sense 1

Time Traveler
The first known use of hygiene was in 1799

Browse Nearby Words

Cite this Entry

“Hygiene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hygiene. Accessed 9 Nov. 2026.

Kids Definition

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

Medical Definition

hygiene

noun
hy·​giene
ˈhī-ˌjēn also hī-ˈ
1
: a science of the establishment and maintenance of health see industrial hygiene, mental hygiene
2
: conditions or practices (as of cleanliness) conducive to health

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