hygiene

noun

hy·​giene ˈhī-ˌjēn How to pronounce hygiene (audio)
also hī-ˈjēn
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
hygienist
hī-ˈjē-nist How to pronounce hygiene (audio)
ˈhī-ˌjē-
hī-ˈje- How to pronounce hygiene (audio)
noun

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.
Other signals worth flagging to a dentist include bleeding or tender gums during brushing or flossing, frequent canker sores, an unusually dry mouth and a rising rate of new cavities despite consistent hygiene. Allison Palmer, Fort Worth Star-Telegram, 2 July 2026 Other signs worth flagging to a dentist include bleeding or tender gums during routine brushing or flossing, frequent canker sores, unusually dry mouth and a rising rate of new cavities despite consistent hygiene. Allison Palmer, Sacbee.com, 2 July 2026 Detainees said shampoo and other hygiene items sometimes run out for days and that meals are small or exacerbate diabetes and other health issues. Andrea Castillo, Los Angeles Times, 1 July 2026 The vending machine will offer two-dose boxes of naloxone and other hygiene and personal safety tools, including fentanyl test strips, xylazine, barbiturates, condoms and medetomidine. Jt Moodee Lockman, CBS News, 30 June 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 4 Jul. 2026.

Kids Definition

hygiene

noun
hy·​giene ˈhī-ˌjēn How to pronounce hygiene (audio)
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

More from Merriam-Webster on hygiene

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster