To lengthen in duration; protract.(verb-transitive)
To lengthen in extent.(verb-transitive)
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 "prolong" in a sentence
"The word prolong means "to lengthen or extend in time or space.""
"In addition to these social and economic difficulties, El Salvador alsofaces the problem of being "mexicanized," that is, a prolong assaultbya bloodthirsty alliance of the dope-dealing and human smuggling lumpen class with theelements of the localbourgeoisie and withUS imperialists to wreak havoc and carnage on society with the ultimate end of the seizure of state power for a death squadregime similar to theonethat rules Colombia."
"But for the president to kind of prolong the issue in the way that he did was, I think, a rare misstep and a lack of discipline on his part."