| A | B |
|---|
| abstruse | hard to understand |
| arduous | difficult; painstaking |
| futile | having no useful purpose |
| henious | hatefully evil; abominable |
| impede | to slow the progress of |
| impenetrable | incapable of being understood |
| dilatory | describing one who habitualy delays or is tardy |
| enervate | to weaken the strength or vitality of |
| idolent | lazy |
| listless | lacking energy; lazy |
| soporific | causing sleep or sleepiness |
| stupor | a state of reduced or suspended sensibility |
| sedentary | not migratory; settled |
| torpor | laziness; inactivity; dullness |
| paucity | fewness; an extreme lack of |
