Synonyms of fatten in English:

fatten


See definition of fatten

verb

1‘a farm where livestock are fattened’

SYNONYMS
make fat, make fatter, feed up, feed, build up
overfeed, bloat

2‘you need to fatten up’

SYNONYMS
put on weight, gain weight, get heavier, grow fat, grow fatter, get fat, flesh out, fill out
thicken, widen, broaden, expand, spread out
ANTONYMS

lose weight