| A | B |
| momentous | important, having an impact on the future |
| submerge | to place under water |
| sufficient | enough |
| sequence | a series of things, in order |
| obligation | something that a person must do, a commitment |
| scurry | to run quickly |
| wince | to flinch in pain |
| superficial | not deep |
| exemplary | excellent, used as an example for others |
| mortified | extremely embarrassed |
| condense | to make denser, to make smaller or shorter |
| reminisce | to remember fondly |
| omit | to leave out or leave undone |
| synonym | a word that means the same as another word |
| antonym | a word that means the opposite of another word |