Synonyms of fattening

Verb

1. fatten, fat, flesh out, fill out, plump, plump out, fatten out, fatten up, change, alter, modify

usage: make fat or plump; "We will plump out that poor starving child"

Adjective

1. fattening, finished (vs. unfinished)

usage: subject to or used in the process of finishing or fattening up for slaughter; "a fattening hog"; "fattening pens"