Not crowded: an uncrowded museum; an uncrowded bus. (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 "uncrowded" in a sentence
"Is your point that the only legitimate targets for self defense by firearm are mentally stable attackers in uncrowded locations in the afternoon?"
"Very peaceful, very "uncrowded", and unlike anything we had seen since landing in Mumbai."
"The portion of the trek from Jiri to Lukla is often uncrowded, and therefore much better trekking country."