Wiktionary
a. Not flavored; having no flavor.
WordNet
adj. without flavoring added [syn: unflavoured, nonflavored, nonflavoured]
Usage examples of "unflavored".
Tucker ran a rural general store, replacement office and a small, three-tier autofactory turning out a variety of goods such as furniture, clothing and unflavored food basics.
He tore away the tape, pulled open the ragged spout, and took a long, steady draft of the unflavored alcohol, letting it splash down his chin and neck, feeling it rush like a fiery waterfall into his withered, empty stomach.
I buy Nutribiotic brand, which has 1 gram of carbohydrates per tablespoon, but any unflavored rice protein powder with a similar carb count should work fine.
For that matter, I see no reason not to experiment with other unflavored protein powders, if you like.
The maize porridge was unsalted and unflavored pap, and the portion no more than three spoonfuls, but the Captain expected fulsome acknowledgment of his generosity.
One more day and I finally got it right: it turns out Theresa liked her coffee unflavored, topped with whipped cream and some caramel syrup.
Mars smells like, open a bottle of unflavored soda water and take a sniff from the neck of the bottle.