unfood

plural unfoods

1. countableuncountableFoodstuff that is not fit for consumption; unhealthy or unnutritious food.

   There is no way to eat and drink all the unfood and beverages and still come out healthy and strong.

   2007, Diana Mourer, Go Lite on White and Be Discreet with Sweets

   2 more examples

   All around him people were eating their unfood with, if not actual evidence of enjoyment, then with no more actual disgust than was to be found in burger chains all over the planet.

   1990, Terry Pratchett, Neil Gaiman, Good Omens, published 2011, →ISBN, page 162

   Sugar is added to the majority of processed foods, but refined sugar is actually an unfood. An unfood robs you of nutrition.

   2010, Raymond Francis, Michele King, Never Be Fat Again

   Synonyms: junk food