What is another word for touched nerve ending?
Pronunciation: [tˈʌt͡ʃt nˈɜːv ˈɛndɪŋ] (IPA) 
The phrase "touched nerve ending" refers to a sudden or unexpected feeling of discomfort or irritation, often resulting from a particular topic or experience. Some common synonyms for this phrase include "struck a chord," "hit a nerve," "pushed a button," "rubbed the wrong way," and "affected deeply." These phrases are often used to describe emotionally charged situations that trigger a strong reaction in individuals. Whether it's a political debate, a personal relationship, or simply an unpleasant memory, the phrase "touched nerve ending" (and its synonyms) conveys the idea of feeling uncomfortable or triggered in response to certain stimuli.
