reduce ****
melt off
lose weight *
slim **
slenderize
thin ***
slim down

Why had he lost so much weight over the summer?

She has lost too much weight in the past three months.

Over the last few months she has lost too much weight.

I've lost weight before but have always put it back on.

She has lost weight from pressure of having to run herself to death.

Only 4 percent of the children in the control group lost weight and kept it off.

He had lost much weight and his color was that of a dead man.

You look as if you've lost weight in this job.

He lost weight several times, but could never keep it off.

That's been a new thing since I lost the weight.