fatten up


Also found in: Thesaurus, Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.fatten up - make fat or plump; "We will plump out that poor starving child"
alter, change, 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"
References in periodicals archive ?
Brown bears have to fatten up before hibernation ALASKA - A YEAR IN THE WILD Channel 5, 9pm IT'S autumn in the final instalment of this nature documentary, which means the wildlife must prepare for the long, hard winter that is hot on its heels.
The FDA-approved hormones used to fatten up livestock (without having to feed them additional food) include recombinant bovine growth hormone, estrogen, testosterone and progesterone.
The guidelines urged women to fatten up babies if they appear underweight.
Their willingness to fatten up showed how different they were, how committed, in a world where everybody else wanted to slim down.