| Main Entry: | |
| Part of Speech: | noun |
| Definition: | sudden change of behavior |
| Synonyms: | bee, caper*, changeableness, contrariety, crotchet, fad, fancy, fickleness, fitfulness, fool notion, freak, gag, humor, impulse, inconsistency, inconstancy, jerk, kink, mood, notion, peculiarity, perversity, put on*, quirk, rib, temper, thought, vagary, vein, whim, whimsy |
| Antonyms: | constancy, constant, dependability, steadfastness |
| Main Entry: | flightiness |
| Part of Speech: | noun |
| Definition: | irresponsibility |
| Synonyms: | airheadedness, capriciousness, changeability, dizziness, fickleness, flippancy, frivolity, giddiness, inconstancy, instability, levity, lightness, mercurialness, variability, volatility, whimsicality, whimsicalness |
| Antonyms: | responsibility |
| Main Entry: | instability |
| Part of Speech: | noun |
| Definition: | imbalance, inconstancy |
| Synonyms: | alternation, anxiety, capriciousness, changeability, changeableness, disequilibrium, disquiet, fickleness, fitfulness, flightiness, fluctuation, fluidity, frailty, hesitation, immaturity, impermanence, inconsistency, inquietude, insecurity, irregularity, irresolution, mutability, oscillation, pliancy, precariousness, restlessness, shakiness, transience, uncertainty, unfixedness, unpredictability, unreliability, unsteadiness, vacillation, variability, volatility, vulnerability, wavering, weakness |
| Antonyms: | balance, constancy, soundness, stability, steadfastness |
| Main Entry: | levity |
| Part of Speech: | noun |
| Definition: | funniness, silliness |
| Synonyms: | absurdity, amusement, buoyancy, facetiousness, festivity, fickleness, flightiness, flippancy, folly, foolishness, frivolity, giddiness, happiness, high spirits, hilarity, jocularity, laughs, lightheartedness, mirth, picnic, pleasantry, repartee, trifling, triviality, volatility, wit |
| Antonyms: | gravity, seriousness |
| Main Entry: | unfaithfulness |
| Part of Speech: | noun |
| Definition: | infidelity |
| Synonyms: | apostasy, bad faith, defection, dereliction, disloyalty, fickleness, improbity, inconstancy, perfidy, recreancy, treachery, treason |
| Antonyms: | faithfulness, loyalty |
| Main Entry: | insecureness |
| Part of Speech: | noun |
| Definition: | instability |
| Synonyms: | alternation, anxiety, capriciousness, changeability, changeableness, disequilibrium, disquiet, fickleness, fitfulness, flightiness, fluctuation, fluidity, frailty, hesitation, immaturity, impermanence, inconsistency, inquietude, insecurity, irregularity, irresolution, mutability, oscillation, pliancy, precariousness, restlessness, shakiness, transience, uncertainty, unfixedness, unpredictability, unreliability, unstableness, unsteadiness, unsureness, vacillation, variability, volatility, vulnerability, wavering, weakness* |
| Main Entry: | perfidiousness |
| Part of Speech: | noun |
| Definition: | faithlessness |
| Synonyms: | betrayal, disbelief, dishonesty, disloyalty, doubt, false-heartedness, falseness, falsity, fickleness, fraud*, inconstancy, infidelity, perfidy, skepticism, traitorousness, treacherousness, treachery, treason, unfaithfulness |
| Main Entry: | perfidy |
| Part of Speech: | noun |
| Definition: | faithlessness |
| Synonyms: | betrayal, disbelief, dishonesty, disloyalty, doubt, false-heartedness, falseness, falsity, fickleness, fraud*, inconstancy, infidelity, perfidiousness, skepticism, traitorousness, treacherousness, treachery, treason, unfaithfulness |
| Main Entry: | precariousness |
| Part of Speech: | noun |
| Definition: | instability |
| Synonyms: | alternation, anxiety, capriciousness, changeability, changeableness, disequilibrium, disquiet, fickleness, fitfulness, flightiness, fluctuation, fluidity, frailty, hesitation, immaturity, impermanence, inconsistency, inquietude, insecureness, insecurity, irregularity, irresolution, mutability, oscillation, pliancy, restlessness, shakiness, transience, uncertainty, unfixedness, unpredictability, unreliability, unstableness, unsteadiness, unsureness, vacillation, variability, volatility, vulnerability, wavering, weakness* |