: the things that you do to keep yourself and your surroundings clean in order to maintain good health
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/oral hygiene.
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“Hygiene.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/hygiene. Accessed 24 Jun. 2026.
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