To twist, wrench, or bend severely out of shape: pain that contorted their faces. (verb-transitive)
To become twisted into a strained shape or expression. See Synonyms at distort. (verb-intransitive)
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 "contort" in a sentence
"I might have passed out for a moment; Noah’s face went fuzzy as I watched his expression contort in the pleasant agony of sex."
"The interplay between contract and tort the so-called contort is very important and not easy to understand."
"The demon cocked his head to the side and with analytical interest watched his mistress’s expression contort."