Being or seeming to be without an end; endless. See Synonyms at continual.(adjective)
Tiresomely long; tedious.(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 "interminable" in a sentence
"Michael, full grown, mature, was so merry-hearted an individual that he found all delight in interminable romps with Scraps."
"This used to be one of my favorite blogs; increasingly, it seems to have been taken over by one or more of those humorless, argumentative kids that could always be counted on to engage in interminable, pointless arguments with teachers in high school and college (not Harvard)."
"While waiting in interminable lines, the masses oohed."