Dictionary.com
Thesaurus.com
Synonyms

hygiene

American  
[hahy-jeen] / ˈhaɪ dʒin /

noun

  1. Also the science that deals with the preservation of health.

  2. a condition or practice conducive to the preservation of health, as cleanliness.

    Poor personal hygiene can lead to health issues such as skin infections.

    Mental hygiene in children should be constantly monitored by parents and teachers.

  3. a beneficial or recommended practice or set of practices (used in combination).

    Using the same password on all of your important accounts is simply not good password hygiene.


hygiene British  
/ ˈhaɪdʒiːn /

noun

  1. Also called: hygienics.  the science concerned with the maintenance of health

  2. clean or healthy practices or thinking

    personal hygiene

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What does hygiene mean? Hygiene is a collection of practices to promote and preserve health, or a condition involving the use of such practices.In its most popular sense, hygiene refers to habitual actions that help you stay physically healthy, such as washing your hands and brushing your teeth. This sense of the word is especially used in phrases like personal hygiene and good hygiene. Personal hygiene is closely associated with cleanliness.Hygiene can also be applied to one’s mental well-being—mental hygiene is the practice of trying to maintain mental health through proactive behavior and treatment.The word hygiene is also used to refer to the science that deals with preserving health—both of individuals and the general public. Another word for this is hygienics.The adjective hygienic can mean related to or involving hygiene, promoting good health, or sanitary.Example: Washing your hands is the easiest way to improve your personal hygiene.

Etymology

Origin of hygiene

First recorded in 1590–1600; from French hygiène, from New Latin hygieina, from Greek hygieinḕ (téchnē) “healthful (art),” feminine of hygieinós “healthful,” equivalent to hygiḗ(s) “healthy” + -inos -ine 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It would also be the company’s most significant move yet to shed slower-growing food brands and push deeper into health and hygiene products.

From The Wall Street Journal

Here’s how Hollywood got hooked on hygiene product placement.

From The Wall Street Journal

Such establishments must demonstrate that they meet equivalent British hygiene and safety requirements.

From BBC

"Parents continue to prioritise performance, hygiene and convenience over sustainability, meaning brands take a risk if greener solutions compromise any of these core expectations."

From BBC

Like many others living in the house, K also lost teeth due to poor dental hygiene, and was forced to wash in secret at night.

From BBC