[hahy-jee-en-ik, hahy-jen-, -jee-nik]


conducive to good health; healthful; sanitary.
of or relating to hygiene.

Also hy·gi·en·i·cal [hahy-jee-en-i-kuh l, hahy-jen-, -jee-ni-kuh l] /ˌhaɪ dʒiˈɛn ɪ kəl, haɪˈdʒɛn-, -ˈdʒi nɪ kəl/.

Origin of hygienic

First recorded in 1825–35; hygiene + -ic
Related formshy·gi·en·i·cal·ly, adverban·ti·hy·gi·en·ic, adjectivean·ti·hy·gi·en·i·cal·ly, adverbnon·hy·gi·en·ic, adjectiveun·hy·gi·en·ic, adjectiveun·hy·gi·en·i·cal·ly, adverb

Synonyms for hygienic

1. See sanitary.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unhygienic

Historical Examples of unhygienic

  • The material cannot be cleaned, and as a collector of dust is most unhygienic.

    The Story of Silk

    Sara Ware Bassett

  • The time had been when she would at once have denounced the room as overcrowded and unhygienic.

    Gray youth

    Oliver Onions

  • Diphtheria is not directly caused by unhygienic surroundings.

  • You—you don't think it will be unhygienic for him to sleep with me?

    Adventures of Bindle

    Herbert George Jenkins

  • It is not ideal if it is unethical, unhygienic, or unæsthetic.


    Maurice Alpheus Bigelow

British Dictionary definitions for unhygienic



not promoting health or cleanliness; unsanitary



promoting health or cleanliness; sanitary
Derived Formshygienically, adverb
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

Word Origin and History for unhygienic

1883, from un- (1) "not" + hygenic.



1833, from French hygiénique, from hygiène; see hygiene. The earlier adjective was hygienal (1660s).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for unhygienic


[hī-jĕnĭk, -jēnĭk]


Of or relating to hygiene.
Tending to promote or preserve health.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.