| goofy(adjective, silly, frivolous, dizzy, frothy) |
| gaga(adjective, careless, silly, unsteady, inconstant) |
| flighty(adjective, careless, silly, unsteady, inconstant) |
| giddy(adjective, careless, silly, impulsive, unsteady) |
| silly(adjective, senseless) |
| bemused(adjective, careless, silly, unsteady, inconstant) |
| brainless(adjective, careless, silly, unsteady, inconstant) |
| bubbleheaded(adjective, careless, silly, unsteady, inconstant) |
| capricious(adjective, careless, silly, unsteady, inconstant) |
| careless(adjective, silly, impulsive, unsteady, inconstant) |
| changeable(adjective, careless, silly, unsteady, inconstant) |
| changeful(adjective, careless, silly, unsteady, inconstant) |
| dizzy(adjective, careless, silly, unsteady, inconstant) |
| empty-headed(adjective, careless, silly, stupid, unsteady) |
| erratic(adjective, careless, silly, unsteady, inconstant) |
| featherbrained(adjective, careless, inconstant, giddy) |
| fickle(adjective, careless, silly, unsteady, inconstant) |
| flustered(adjective, careless, silly, unsteady, inconstant) |
| frivolous(adjective, careless, silly, unsteady, inconstant) |
| frothy(adjective, careless, inconstant, giddy) |