Involving, maturing after, or being in effect for a long time: a long-term investment. (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-term" in a sentence
"This was back in the '80s and '90s when the phrase "long-term AIDS survivor" was still a dream."
"Instead, the violence arises out of what he calls long-term structural problems around getting people to invest in "normative societal values.""
"Saracens have announced the signing of England wing Chris Ashton on what they describe as a "long-term contract"."