unit 7

shrink

become smaller, especially because of the effect of heat or water

wither

become dry and die

dwindle

become fewer or smaller

contract

become tight or narrow/ decrease in size

decline

1. change to something worse, weaker or lower, especially for health, value or force

2. one's influence, power and age can decline with the lapse of time

3. say 'no'; refuse something offered

lessen

1. become less necessary valuable or important

2. make less in estimation or value. You can lessen the value of money, the hours of work, the importance of a heroic deed. We also speak of the distance of a journey being lessened.

impair

spoil, damage or weaken