| meaningless(adjective, slight, lower, value, inferior) |
| petty(adjective, light, slight, easy, lower) |
| silly(adjective, ability) |
| superficial(adjective, unimportant) |
| trifling(adjective, light, slight, easy, lower) |
| trivial(adjective, light, slight, easy, lower) |
| flimsy(adjective, light, slight, easy, thin) |
| frothing(noun, sparkling, gassy, foaming, fizzing) |
| aglitter |
| capricious(adjective, careless, inconstant, irresolution, giddy) |
| carbonated(noun, sparkling, effervescent, bubbly, gassy) |
| downy(adjective, light, slight, easy, thin) |
| empty-headed(adjective, slight, ability, careless, trivial) |
| ethereal(adjective, light, slight, easy, thin) |
| exuberant(adjective, enthusiastic, cheerful, agitated, jovial) |
| fermenting(adjective, sparkling, bubbly, gassy, foaming) |
| fickle(adjective, careless, inconstant, irresolution, giddy) |
| flatulent(adjective, diffuseness) |
| foolish |
| fribble |