| elastic(adjective, lively, unpredictable, changeable, temperamental) |
| erratic(adjective, careless, lively, active, unstable) |
| every which way(adjective, careless, unstable, unreasonable, unpredictable) |
| expansive(adjective, lively, unpredictable, changeable, temperamental) |
| falter(verb, shake, pause, sway, vary) |
| fanciful(adjective, careless, unstable, unreasonable, unpredictable) |
| fence-straddle(verb, change, pause, swing, hesitate) |
| fitful(adjective, careless, unstable, unreasonable, impulsive) |
| flaky(adjective, careless, unstable, unreasonable, unpredictable) |
| flighty(adjective, careless, lively, unstable, unreasonable) |
| flip-flop(verb, move, change, remove, turn) |
| fluctuating(adjective, lively, active, unpredictable, changeable) |
| flutter(verb, change, alter, swing, vary) |
| freakish(adjective, careless, unstable, unreasonable, unpredictable) |
| gaga(adjective, careless, lively, unstable, unreasonable) |
| go up and down(verb, expression, idiom, change, alter) |
| gorked(adjective, dull, simple, limited) |
| hedge(verb, shift, shake, sway, hesitate) |
| helter-skelter(adjective, careless, unstable, unreasonable, unpredictable) |
| hesitate(verb, change, alter, swing, vary) |