Sad is defined as feeling upset or unhappy about something, often shown physically with a frown.(adjective)
An example of sad is how a child looks when his parent goes away.
The definition of sad is bad behavior that should be condemned.(adjective)
An example of sad is how you would describe the behavior of a man who treats his wife badly.
See sad in Webster's New World College Dictionary
Origin: ME < OE sæd, sated, full, hence having feelings assoc. with satiety, akin to Ger satt, sated < IE base *sā-, satisfied, sated > L satis, enough, OIr sāith, satiety
See sad in American Heritage Dictionary 4
adjective sad·der, sad·dest
Origin: Middle English, weary, sorrowful
Origin: , from Old English sǽd, sated, weary; see sā- in Indo-European roots.
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