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
Regular cleaning is important—not just for your own personal hygiene, but for the correct functioning and maximum lifespan of the equipment.
—
Maria Sabella, Better Homes & Gardens, 11 Feb. 2025
Where Olive is messy, untidy, and unconcerned about the state of her apartment, Florence is obsessively clean, tidy, and obsessed with hygiene.
—Kay Johnson, Twin Cities, 7 Feb. 2025
Shy and obsessive, whether cleaning his chess set or in his personal hygiene, he’s coached by Salenus, the rotund eyeball of an AI machine with his mother’s voice (Marcia Gay Harden).
—Stephen Schaefer, Boston Herald, 7 Feb. 2025
Special education classroom assistants provide one-on-one tutoring and personal hygiene to students with visual and hearing impairments, learning disabilities and behavior disorders.
—Gregory Royal Pratt, Chicago Tribune, 7 Feb. 2025
See all Example Sentences for hygiene 
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Maria Sabella, Better Homes & Gardens, 11 Feb. 2025
Where Olive is messy, untidy, and unconcerned about the state of her apartment, Florence is obsessively clean, tidy, and obsessed with hygiene.
—Kay Johnson, Twin Cities, 7 Feb. 2025
Shy and obsessive, whether cleaning his chess set or in his personal hygiene, he’s coached by Salenus, the rotund eyeball of an AI machine with his mother’s voice (Marcia Gay Harden).
—Stephen Schaefer, Boston Herald, 7 Feb. 2025
Special education classroom assistants provide one-on-one tutoring and personal hygiene to students with visual and hearing impairments, learning disabilities and behavior disorders.
—Gregory Royal Pratt, Chicago Tribune, 7 Feb. 2025
See all Example Sentences for hygiene
Dictionary Entries Near hygiene
Cite this Entry
“Hygiene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hygiene. Accessed 14 Feb. 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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