| frolicsome(adjective, pleasure, happy, silly, glad) |
| hasty(adjective, nervous, emotional, restless, fiery) |
| high-spirited(adjective, pleasure, happy, glad, merry) |
| merry(adjective, pleasure, happy, glad, funny) |
| protean(adjective, unstable, unsettled, unpredictable, unreliable) |
| rash(adjective, free, wild, nervous, emotional) |
| toying(adjective, pleasure, glad, merry, funny) |
| undecided(adjective, hesitant, wavering, indecisive, irresolute) |
| vaporizable |
| vivacious(adjective, pleasure, glad, merry, funny) |
| wandering(adjective, motiveless) |
| arbitrary(adjective, careless, unstable, unreasonable, irregular) |
| ardent(adjective, passionate, heated, excitable, hot-tempered) |
| blithe(adjective, pleasure, glad, merry, funny) |
| blithesome(adjective, pleasure, happy, glad, merry) |
| bright(adjective, pleasure, glad, merry, funny) |
| burning(adjective, passionate, heated, excitability, hot-tempered) |
| careless(adjective, unstable, unreasonable, unpredictable, changeable) |
| charged(adjective, unstable, unpredictable) |
| cheerful(adjective, pleasure, glad, merry, funny) |