Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb fatten

1 sense of fatten

Sense 1
fatten, fat, flesh out, fill out, plump, plump out, fatten out, fatten up -- (make fat or plump; "We will plump out that poor starving child")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Antonyms of adj fattening

1 sense of fattening

Sense 1
fattening -- (subject to or used in the process of finishing or fattening up for slaughter; "a fattening hog"; "fattening pens")

INDIRECT (VIA finished) -> unfinished -- (not brought to the desired final state)

Similarity of adj fattening

1 sense of fattening

Sense 1
fattening -- (subject to or used in the process of finishing or fattening up for slaughter; "a fattening hog"; "fattening pens")
       => finished (vs. unfinished) -- ((of materials or goods) brought to the desired final state; "a finished product")