hygiene

noun

hy·​giene ˈhī-ˌjēn 

 also  hī-ˈjēn

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

hygienist

hī-ˈjē-nist 

ˈhī-ˌjē-

hī-ˈje- 

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

Inside Elon Musk’s War on Washington Personal information As DOGE picked up steam following the inauguration, cybersecurity experts began voicing concern about the new organization’s privacy practices and digital hygiene. —Andrew R. Chow, TIME, 19 Mar. 2025

Improving your child’s sleep hygiene not only benefits their mental health but also enhances the well-being of parents. —Lia Miller, Parents, 14 Mar. 2025

Louis applies knowledge from having worked as a medical technician early in his career, to create innovative hygiene practices at the restaurant. —Michelle Greenwald, Forbes, 12 Mar. 2025

Illustration: Malte Mueller/Getty Images Good sleep hygiene is important. —Louryn Strampe, WIRED, 9 Mar. 2025

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

1671, in the meaning defined at sense 1

Phrases Containing hygiene

• feminine hygiene

Rhymes for hygiene

• agin
• alkene
• allene
• ameen
• amin
• amine
• arene
• athene
• baleen
• beeline
• benzene
• between

Kids 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

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