anguish, struggle, writhe; see suffer 1, worry 2.
"agonize." YourDictionary, n.d. Web. 16 August 2018. <http://thesaurus.yourdictionary.com/agonize>.
agonize. (n.d.). Retrieved August 16th, 2018, from http://thesaurus.yourdictionary.com/agonize
To twist and turn, as in pain, struggle, or embarrassment:
To bring great harm or suffering to: