Oxford Dictionary English junk food noun noun BrE BrE//ˈdʒʌŋk fuːd// ; NAmE NAmE//ˈdʒʌŋk fuːd// (also junk) [uncountable] (also junk foods [plural]) (informal, disapproving) Diet, Unhealthy eating habits Add to my wordlistjump to other resultsfood that is quick and easy to prepare and eat but that is thought to be bad for your health See related entries: Diet, Unhealthy eating habitsSee junk food in the Oxford Advanced American DictionaryCheck pronunciation: junk food oxfordlearnersdictionaries.com