| A | B |
| impediment | obstacle |
| congested | filled with fluid |
| headlong | with great speed or force |
| inevitable | bound to happen; unavoidable |
| lax | not tight; loose |
| stringent | strict; severe |
| acrid | sharp, irritating, or bitter to the sense of taste or smell |
| casualty | a person killed or injured in a war or accident |
| cope | to manage problems or difficultiies |
| hurtle | to move with great force and speed |
| initiate | to put into effect; to bring into use |
| irate | very angry; furious |
| negligent | failing to take proper care of or proper attention to |
| smolder | to burn slowly without bursting into flames |
| throng | a large number of people gathered in a crowd |