craziness
n.
c.1600, "infirmity," from crazy + -ness. Meaning "state of being flawed or damaged" is from 1660s; that of mental unsoundness" is from 1755.
| 词汇 | craziness | 
| 词根词缀 | Online Etymology Dictionary craziness n. c.1600, "infirmity," from crazy + -ness. Meaning "state of being flawed or damaged" is from 1660s; that of mental unsoundness" is from 1755. | 
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