| evanescence(noun, transience) |
| fleetingness(noun, caprice, transience, motivelessness) |
| flippancy(noun, humor, cheerfulness, trifling, merriment) |
| frivolity(noun, humor, cheerfulness, merriment, triviality) |
| indecisiveness(noun, irresolution, caprice, fickleness, motivelessness) |
| irregularity(noun, anxiety, weakness, uncertainty, shake) |
| unreliability(noun, anxiety, weakness, uncertainty, shake) |
| airiness(noun, lightness) |
| emotionality(noun, nervousness, excitability) |
| fugacity |
| giddiness(noun, humor, cheerfulness, trifling, merriment) |
| inconsistency(noun, anxiety, weakness, uncertainty, shake) |
| randomness(noun, chance, caprice, unpredictability, flightiness) |
| transience(noun, anxiety, weakness, uncertainty, shake) |
| uncertainty(noun, anxiety, weakness, shake, chance) |
| vacillation(noun, anxiety, weakness, uncertainty, shake) |
| animation(noun, vitality, vivacity, vibrancy) |
| explosiveness(noun, excitability, instability) |
| fitfulness(noun, anxiety, weakness, uncertainty, shake) |
| frivolousness(noun, merriment, triviality, levity, silliness) |