Not particular about or concerned with details.(adjective)
Not cluttered or complicated, as with extraneous matters or details.(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 "unfussy" in a sentence
"Both companies and people can post their wants, which makes it more of a marketplace than a simple job board, and the interface is clean and unfussy, which is good news."
"Here, I found only the "unfussy" part to be true, with inspiration lacking, and relationships only generalized in their outward expression."
"The ideal the book puts forth is of unfussy, lived-in, creative, imperfect homes; it's a postcard taped to a vanity mirror, or two children scootering across a loft's exquisite floorboards, or cheap blue vases from Chinatown wired into lamps."