Having a long life: a long-lived aunt. (adjective)
Lasting a long time; persistent: a long-lived rumor. (adjective)
Functioning a long time; durable: a long-lived light bulb. (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 "long-lived" in a sentence
"The rulers of these hierarchies are slowly dividing, long-lived parent cells that we call stem cells."
"That is why cooperation by direct reciprocity works best within a long-lived community."
"Even then, Conway used a computer to study particularly long-lived populations."