Dictionary

verb

Definitions

1. To cause (a person or animal) to be fat or fatter.

   Example: We must fatten the turkey in time for Thanksgiving.

2. (of a person or animal) To become fat or fatter.

   Example: He gradually fattened in the five years after getting married.

   Synonyms:gain weightput on weight

3. To make thick or thicker (something containing paper, often money).

4. To become thick or thicker.