unbuttered
adjective
un·but·tered ˌən-ˈbə-tərd 
: not spread with butter : not buttered
unbuttered bread
Example Sentences
Recent Examples on the Web For a quick and easy Halloween treat that guests can snack on all night long, combine heart-healthy nuts and unbuttered popcorn with a few more decadent mini snacks (like pretzels and candy corn) in a bag or container. 
Corinne Sullivan, Woman's Day, 27 June 2022 Cover the unbuttered side with shredded cheddar cheese, then add a layer of brisket, followed by a layer of onions, barbecue sauce and shredded Monterey Jack cheese. ExpressNews.com, 10 Aug. 2020 Scatter 1/2 cup Cheddar on the unbuttered side of each of 2 slices, then close the sandwiches (all the Parmed sides on the outside).Heat a nonstick skillet on medium-low. Chrissy Teigen, Good Housekeeping, 14 Jan. 2019
Corinne Sullivan, Woman's Day, 27 June 2022 Cover the unbuttered side with shredded cheddar cheese, then add a layer of brisket, followed by a layer of onions, barbecue sauce and shredded Monterey Jack cheese. ExpressNews.com, 10 Aug. 2020 Scatter 1/2 cup Cheddar on the unbuttered side of each of 2 slices, then close the sandwiches (all the Parmed sides on the outside).Heat a nonstick skillet on medium-low. Chrissy Teigen, Good Housekeeping, 14 Jan. 2019 Word History
First Known Use
1584, in the meaning defined above