Not following from premises or evidence; illogical.(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 "inconsequential" in a sentence
"It's not like this absorption in the inconsequential is anything new."
"And the interesting thing about the book, apart from its ability to enthrall, is that it hasn't really dated, or has dated only in inconsequential or charming ways."
"It’s one thing to say you don’t like the changes, but to pretend they’re inconsequential is just … beyond silly."