Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

mental hygiene

noun

Medical Definition of mental hygiene

  1. :  the science of maintaining mental health and preventing the development of mental illness




Seen and Heard

What made you want to look up mental hygiene? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!