say it: FAT-uh-ning
fattening is an adjective meaning "subject to or used in the process of finishing or fattening up for slaughter". It carries one recorded sense.
subject to or used in the process of finishing or fattening up for slaughter
“a fattening hog”
“fattening pens”
Definitions, synonyms and semantic relations for fattening come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.