| A | B |
| grueling | exhausting; very tiring or annoying |
| dubious | causing doubt; uncertain; questionable |
| unkempt | not neat; neglected; untidy |
| equation | a statement of equality; a process of making equal; a state of equality, especially in mathematics |
| volatile | explosive; changeable; fickle |
| frenzied | wildly excited; frantic |
| liability | something for which someone is legally responsible; a disadvantage or drawback; a debt |
| haphazard | left to chance; not planned; random |
| essence | the fundamental nature of something; a defining feature; an extract of a substance |
| vanity | the quality of being vain or conceited |