| A | B |
| callous | lacking sensitivity; concern and solicitude |
| lethargic;anemic;languid;slothful | lacking in energy, vitality and vigor |
| disdain | lack of respect; contempt |
| impulsive;impetuous;precipitous | acting in a rash , hasty manner without fully considering consequences |
| intrepid;dauntless | brave and therefore lacking fear |
| precarious | lacking stability |
| superficial | shallow; lacks depth |
| diffedent | lacking self confidence |
| sophomoric; callow | immature and therefore lacking maturity |
| extravagant | excessive and therefore lacking restraint |
| apathetic | showing little or no feeling or emotion; spiritless; lacking emotion |
| erratic | lacking consistency |
| trite; cliche | commonplace; ordinary and therefore lacking orginality; humdrum |