hy·gien·ic \|hījē|enik, (ˈ)hī|jen-, -nēk also (ˈ)hī|jēn-\adjective alsohy·gien·i·cal\-nə̇kəl, -nēk-\ Etymology: probably from French hygiénique, from hygiène hygiene + -ique -ic, -ical : of, relating to, or conducive to health or hygiene Synonyms:see healthful