unsalted

From un- +‎ salted.

unsalted (not comparable)

1. To which salt has not been added.
   • 2009, Nicholas Belfrage, The Finest Wines of Tuscany and Central Italy, →ISBN, page 312:

     The antipasto often features fettunta—thin slices of Tuscan bread toasted and salted (the bread itself is unsalted) and perhaps rubbed with garlic (you may prefer to rub it on for yourself, or not if you're due to discuss Uganda or have an interview with Silvio Berlusconi)

2. (cryptography) Without a cryptographic salt.

• salted

• unlasted, unslated, unstaled