1 to lower

2 to decrease

3 to reduce

4 to subtract

5 to diminish

1 to lessen

2 to decrease

3 to reduce

4 to lower

1 to lose weight

1 to abridge (a text)

2 to edit out (of a movie)

3 to cut back (a budget, a curriculum)

1 to cut down

2 to reduce

3 to lower

1 to skimp on the job and stint on materials (idiom)

2 jerry-building

3 sloppy work

1 natural calamities and man-made disasters (idiom)

1 lit. to take joy in calamity and delight in disaster (idiom); fig. to rejoice in other people's misfortune

2 Schadenfreude

1 to provide relief during times of emergency and disaster (idiom)

1 to increase without letup

2 to get worse and worse (idiom)