"Mad props! That trick you did was insane. You're the craziest of the crazy." "You've gone mad. You have spiraled into mental insanity. You're completely crazy and must be institutionalized." These two contrasting examples colorfully demonstrate the vast range of semantic meaning which can be used for words in the English language relating to mental insanity. Loony, Mad, Cuckoo, Insane, Crazy, Disturbed, Nuts, Deranged, Demented, Fanatic. Each of these terms has been at some point used in the English language to describe the condition of mental illness. …
