Without adornment or embellishment; simple or plain.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "unadorned" in a sentence
"Though trained as a chemist, he is considered an excellent theologian, and he is legendary for his simple and self-denying way of life: he lives in unadorned rooms near the cathedral in Buenos Aires and takes the bus to his appointments."
"She referred to an unadorned rectangular stone of some porous rock, perhaps two meters wide and three long, strangely scarred in places."
"The thought is simple and even obvious, and the expression unadorned, and yet what he said had that subtle quality which stirred and still stirs the heart of every man born on the soil of the old Puritan Commonwealth."