"craziness" in the noun sense
1. craziness, daftness, flakiness
informal terms for insanity
2. folly, foolishness, craziness, madness
the quality of being rash and foolish
"trying to drive through a blizzard is the height of folly"
"adjusting to an insane society is total foolishness"
3. folly, foolery, tomfoolery, craziness, lunacy, indulgence
foolish or senseless behavior
Source: WordNet® (An amazing lexical database of English)
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