| Main Entry: | |
| Part of Speech: | noun |
| Definition: | unreason |
| Synonyms: | absurdity, arbitrariness, caprice, illogicality, illogicalness, irrationality |
| Main Entry: | extravagance |
| Part of Speech: | noun |
| Definition: | indulgence; waste |
| Synonyms: | absurdity, amenity, dissipation, exaggeration, excess, exorbitance, expenditure, folly, frill, icing on the cake, immoderation, improvidence, lavishness, luxury, outrageousness, overdoing, overindulgence, overspending, preposterousness, prodigality, profligacy, profusion, recklessness, squander, squandering, superfluity, unreasonableness, unrestraint, unthrift, wastefulness, wildness |
| Antonyms: | economy, moderation, providence, saving, thrift, thriftiness |
| Main Entry: | fanaticism |
| Part of Speech: | noun |
| Definition: | overenthusiasm |
| Synonyms: | abandonment, arbitrariness, bias, bigotry, contumacy, dedication, devotion, dogma, enthusiasm, extremism, faction, frenzy, hatred, illiberality, immoderation, incorrigibility, infatuation, injustice, intolerance, madness, monomania, obsessiveness, obstinacy, partiality, partisanship, passion, prejudice, rage, single-mindedness, stubbornness, superstition, tenacity, transport, unfairness, unreasonableness, unruliness, violence, willfulness, zeal, zealotry |
| Antonyms: | disinterest, impartiality, unenthusiasm |
| 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: | tyranny |
| Part of Speech: | noun |
| Definition: | dictatorship |
| Synonyms: | absolutism, authoritarianism, autocracy, coercion, cruelty, despotism, domination, fascism, high-handedness, imperiousness, monocracy, oligarchy, oppression, peremptoriness, reign of terror, severity, terrorism, totalitarianism, totality, unreasonableness |
| Antonyms: | democracy |
| Main Entry: | impossibility |
| Part of Speech: | noun |
| Definition: | hopelessness |
| Synonyms: | contrariety, difficulty, failure, futility, impracticability, impracticality, unattainability, unfeasibility, unlikelihood, unreasonableness, unworkability |
| Antonyms: | feasibility, possibility, practicality, probability |
| Main Entry: | doubtfulness |
| Part of Speech: | noun |
| Definition: | improbability |
| Synonyms: | implausibility, implausibleness, improbableness, unlikeliness, unreasonableness |
| Main Entry: | extravagancy |
| Part of Speech: | noun |
| Definition: | excess |
| Synonyms: | excessiveness, exorbitance, extravagance, extravagantness, inordinateness, lavishness, overabundance, overindulgence, overplus, overspending, plethora, prodigality, profuseness, profusion, superabundance, superfluity, superfluousness, surfeit, unreasonableness, waste, wastefulness |