Medical Dictionary


adj \ˈhärd\

Medical Definition of HARD

:  not easily penetrated :  not easily yielding to pressure
a of liquor :  strongly alcoholic; specifically :  having an alcoholic content of more than 22.5 percent b :  characterized by the presence of salts (as of calcium or magnesium) that prevent lathering with soap <hard water>
:  of or relating to radiation of relatively high penetrating power <hard X-rays>
a :  physically fit <in good hard condition> b :  resistant to stress (as disease)
:  being at once addictive and gravely detrimental to health <such hard drugs as heroin>
:  resistant to biodegradation <hard detergents> <hard pesticides like DDT>
hard·ness noun
July 04, 2015
stringent Hear it
rigorous, strict, or severe
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears