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 sleep hygiene: An hour before bedtime, lower the lights in your room by 70%.
—
Dr. Peter H. Diamandis, TIME, 4 Nov. 2024
Maintaining good hand and respiratory hygiene can help prevent colds and their spread.
—Brandi Jones, Msn-Ed, Health, 31 Oct. 2024
Otherwise, good sleep hygiene is always a great place to start — including establishing a sleep schedule, avoiding naps and alcohol, and stopping screen use in bed.
—Katia Hetter, CNN, 30 Oct. 2024
Provide for short-term emergency needs including personal care or hygiene items, clothing, rental or utility assistance or disaster relief.
—Silvia Solis, The Arizona Republic, 29 Oct. 2024
See all Example Sentences for hygiene 
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Dr. Peter H. Diamandis, TIME, 4 Nov. 2024
Maintaining good hand and respiratory hygiene can help prevent colds and their spread.
—Brandi Jones, Msn-Ed, Health, 31 Oct. 2024
Otherwise, good sleep hygiene is always a great place to start — including establishing a sleep schedule, avoiding naps and alcohol, and stopping screen use in bed.
—Katia Hetter, CNN, 30 Oct. 2024
Provide for short-term emergency needs including personal care or hygiene items, clothing, rental or utility assistance or disaster relief.
—Silvia Solis, The Arizona Republic, 29 Oct. 2024
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 23 Nov. 2024.
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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