Fatten

Origin

From fat + -en.

Full definition of fatten

Verb

(intransitive) To become fatterHe gradually fattened in the five years after getting married.
(transitive) To cause to be fatterWe must fatten the turkey in time for Thanksgiving.
(transitive) To make fertile and fruitful; to enrich.to fatten land

Synonyms

(become fatter) get fat, grow fat, put on weight, gain