- slen|der|ize
- slen|der|ize «SLEHN duh ryz», verb, -ized, -iz|ing.–v.t.1. to make slender or more slender; cause to lose weight: »
... ideal for men and women who want to keep fit and aid their slenderizing campaign easily (Wall Street Journal).
2. to make appear less stout: »a slenderizing dress.
–v.i.to become slender; lose weight; reduce.
Useful english dictionary. 2012.