Ineffectual: pointless attempts to rescue the victims of the raging fire. (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 "pointless" in a sentence
"Russia's most famous poet, Alexander Pushkin, coined the phrase "pointless and merciless" which is known to almost all Russians in a description of 18th century peasant revolts."
"When is the alteration of a landmark for a new use so extensive as to render the designation pointless?"
"Russian president Vladimir Putin lashing out at the U.S. for conducting what he calls a pointless war in Iraq."