Very intense or extreme: wrote with excruciating precision. (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 "excruciating" in a sentence
"His friend, Reverend Jesse Jackson, says the pop star is in what he termed excruciating pain and anxious about the verdict."
"I'm going to want to tell you about it in excruciating detail, that's what."
"I sat two 3-hour written exams, ending up physically exhausted and in excruciating pain."