| Main Entry: | |
| Part of Speech: | noun |
| Definition: | unreason |
| Synonyms: | foolishness, illogicality, illogicalness, impracticality, insanity, unreasonableness |
| Main Entry: | fancy |
| Part of Speech: | noun |
| Definition: | impulse, urge |
| Synonyms: | caprice, conceit, conception, contrariness, creation, cup of tea, desire, druthers, flash, fool's paradise, groove*, humor, idea, image, imagination, impression, inclination, irrationality, liking, mind, notion, perverseness, pleasure, thing*, thought, vagary, velleity, visualization, weakness for, whim, will |
| Antonyms: | dislike, hate |
| Main Entry: | folly |
| Part of Speech: | noun |
| Definition: | nonsense, ridiculous idea |
| Synonyms: | absurdity, craziness, daftness, dottiness, dumb thing to do, dumb trick, fatuity, foolishness, idiocy, imbecility, impracticality, imprudence, inadvisability, inanity, indiscretion, irrationality, lunacy, madness, obliquity, preposterousness, rashness, recklessness, senselessness, silliness, stupidity, triviality, unsoundness, vice, witlessness |
| Antonyms: | judgment, knowledge, seriousness, understanding, wisdom |
| Main Entry: | foolishness |
| Part of Speech: | noun |
| Definition: | idiocy, nonsense |
| Synonyms: | absurdity, absurdness, bunk, carrying-on, claptrap, craziness, dumb trick, folly, fool trick, foolery, horse feathers, impracticality, imprudence, inanity, indiscretion, insanity, insensibility, irrationality, irresponsibility, ludicrousness, lunacy, mistake, poppycock, preposterousness, rubbish*, senselessness, silliness, stupidity, tommyrot, twaddle, unreasonableness, unwiseness, weakness, witlessness |
| Antonyms: | care, carefulness, caution, circumspection, prudence, sense, seriousness, thoughtfulness, wiseness |
| Main Entry: | insanity |
| Part of Speech: | noun |
| Definition: | mental illness; foolishness |
| Synonyms: | aberration, absurdity, alienation, craziness, delirium, delusion, dementia, derangement, distraction, dotage, folly, frenzy, hallucination, hysteria, illusion, inanity, irrationality, irresponsibility, lunacy, madness, mania, mental disorder, neurosis, phobia, preposterousness, psychopathy, psychosis, senselessness, unbalance, unreasonableness, witlessness |
| Antonyms: | balance, sanity, soundness, wellness |
| Main Entry: | madness |
| Part of Speech: | noun |
| Definition: | insanity |
| Synonyms: | aberration, absurdity, craziness, delirium, delusion, dementia, derangement, fanaticism, foolishness, hysteria, irrationality, lunacy, madness, mania, mental disorder, mental illness, neurosis, phobia, psychopathy, psychosis, stupidity, unbalance |
| Main Entry: | nonsense |
| Part of Speech: | noun |
| Definition: | craziness, ridiculousness |
| Synonyms: | absurdity, babble, balderdash, baloney, bananas, bombast, bull*, bunk, claptrap, drivel, fatuity, flightiness, folly, foolishness, fun, gibberish, giddiness, hogwash, hooey, hot air, imprudence, inanity, irrationality, jazz, jest, jive, joke, ludicrousness, madness, mumbo jumbo, palaver, poppycock, prattle, pretense, ranting, rashness, rot, rubbish, scrawl, scribble, senselessness, silliness, soft soap, stupidity, thoughtlessness, trash*, tripe |
| Antonyms: | clarity, common sense, fact, intelligibility, sense, truth, understanding |
| Main Entry: | phobia |
| Part of Speech: | noun |
| Definition: | fear |
| Synonyms: | anxiety, aversion, avoidance, awe, detestation, disgust, dislike, distaste, dread, fear, hang-up, hatred, horror, irrationality, loathing, neurosis, obsession, repulsion, resentment, revulsion, terror, thing about, thing* |
| Antonyms: | liking, love |
| Main Entry: | superstition |
| Part of Speech: | noun |
| Definition: | belief in sign of things to come |
| Synonyms: | false belief, fear, irrationality, notion, shibboleth, unfounded fear |
| Antonyms: | fact, reality, truth |