From Longman Dictionary of Contemporary Englishslim down phrasal verb1 to reduce the size or number of something, or to become reduced in size or numberslim something ↔ down The company is trying to slim down its workforce. to The Cabinet has been slimmed down to 16 members.2 to make your body thinner, or to become thinner, especially in order to be healthier or more attractiveslim something ↔ down How can I slim down my hips? to She slimmed down to a healthy 61 kilos. —slimmed-down adjective → slim→ See Verb table
Examples from the Corpus
slim down• She's really slimmed down a lot since I last saw her.• He's trying to slim down to eleven stone.slim to• Immigrants who made money often tried to slim down to appear to be longtime members of the aristocracy.• Normal mice, too, slimmed down to utter sleekness when they had a little leptin.slim to• Immigrants who made money often tried to slim down to appear to be longtime members of the aristocracy.• Normal mice, too, slimmed down to utter sleekness when they had a little leptin. 