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
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
Practice good dental hygiene to reduce the risk of bleeding from dental procedures.
—
Health, 21 Sep. 2025
The center’s initial focus was its market-style food pantry, which now aids about 300 local families, many from the immigrant and refugee community, along with providing other services, including a clothing closet, diaper bank and hygiene products (see sidebar).
—Nicole Sours Larson, San Diego Union-Tribune, 20 Sep. 2025
These questions are more than operational hygiene—they’re early indicators of how ready your organization is to support AI at scale.
—Ed MacOsky, Forbes.com, 19 Sep. 2025
In this program, families of elementary, middle school and high school children come to a local Target, shop for school clothes and hygiene products of their choice and Assistance League pays for their purchases.
—Jessica Peralta, Oc Register, 19 Sep. 2025
See All Example Sentences for hygiene
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Health, 21 Sep. 2025
The center’s initial focus was its market-style food pantry, which now aids about 300 local families, many from the immigrant and refugee community, along with providing other services, including a clothing closet, diaper bank and hygiene products (see sidebar).
—Nicole Sours Larson, San Diego Union-Tribune, 20 Sep. 2025
These questions are more than operational hygiene—they’re early indicators of how ready your organization is to support AI at scale.
—Ed MacOsky, Forbes.com, 19 Sep. 2025
In this program, families of elementary, middle school and high school children come to a local Target, shop for school clothes and hygiene products of their choice and Assistance League pays for their purchases.
—Jessica Peralta, Oc Register, 19 Sep. 2025
See All Example Sentences for hygiene
Cite this Entry
“Hygiene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hygiene. Accessed 24 Sep. 2025.
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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