| cunning(adjective, smart, bright, intelligent, skillful) |
| deft(adjective, skillful) |
| effective(adjective, utilizable) |
| efficient(adjective, skillful) |
| fitting(adjective, utilizable) |
| flexile(adjective, person, versatility) |
| irresolute(adjective, unstable, unsettled, changeable, variable) |
| modifiable(adjective, changeable, flexible, compliant, pliable) |
| pliant(adjective, flexible, compliant, pliable, resilient) |
| practical(adjective, utilizable) |
| proficient(adjective, skillful) |
| proteiform(adjective, knowledge, changeableness, many-sided, all round) |
| quicksilver |
| restless(adjective, unstable, unsettled, changeable, variable) |
| skittish(unstable, unsettled, variable, capricious, fluctuating) |
| suitable(adjective, utilizable) |
| sure-footed(adjective, skillful) |
| transformable(adjective, unstable, unsettled, changeable, variable) |
| undependable(unstable, unsettled, variable) |
| unpredictable(unstable, unsettled, variable) |