chunkful adjective 1noun 1forms 3 adjective1 •Chunky.Every time he thinks about Nomzamo, guilt takes a chunkful bite at his heart. — 2015 noun1 •Synonym of chunk.The errand boy returned with Fani's sandwich, which he ate fast, taking enormous chunkfuls with each bite. — 2014 formschunkfuls · more chunkful · most chunkful