| under cover(expression, fickle, untrustworthy, unprincipled, dirty-dealing) |
| underhand(fickle, untrustworthy, unprincipled, dirty-dealing) |
| undutiful(fickle, untrustworthy, unprincipled, dirty-dealing) |
| unethical(fickle, untrustworthy, unprincipled, dirty-dealing) |
| unfaithful(fickle, untrustworthy, unprincipled, dirty-dealing) |
| unloyal(fickle, untrustworthy, unprincipled, dirty-dealing) |
| unpatriotic(fickle, untrustworthy, unprincipled, dirty-dealing) |
| unprincipled(fickle, untrustworthy, dirty-dealing) |
| untrustworthy(fickle, unprincipled) |
| untrusty(fickle, untrustworthy, unprincipled) |
| untruthful(fickle, untrustworthy, unprincipled, dirty-dealing) |
| villain(nuisance, scourings, troublemaker, meanie) |
| worm(villain, nuisance, scourings, troublemaker, meanie) |
| yellow dog(expression, villain, scourings, troublemaker) |
| yo-yo(fickle, untrustworthy, unprincipled, dirty-dealing) |
| yoyo(fickle, untrustworthy, unprincipled, dirty-dealing) |