Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Adjective
S: (adj) harebrained, insane, mad (very foolish) "harebrained ideas"; "took insane risks behind the wheel"; "a completely mad scheme to build a bridge between two mountains"
W: (n) madness [Related to: mad] (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"