Definition, Meaning & Synonyms
fatten-up
Phrasal Verb
ˈfætən ʌp

Definition
To increase the weight of someone or something, often by feeding them more food.

Examples
- Farmers often fatten up cattle before selling them to increase their market value.
- She decided to fatten up her puppy with more nutritious food.

Meaning
The term ‘fatten-up’ means to make someone or something gain weight, typically through a diet that is intended to increase body mass.

Synonyms
- Gain weight
- Put on weight
- Become plump