There are numerous synonyms to convey the phrase "touched sore spot." This phrase refers to a sensitive or painful issue which, when brought up, elicits a reaction from someone. Some possible synonyms include sensitive point, raw nerve, touchy subject, sore point, vulnerable spot, weak point, hot button issue, and achilles heel. All of these synonyms have a similar connotation with "touched sore spot" and can be great alternatives when wanting to find a less blunt way of conveying this phrase. It is essential to choose the right synonym for the intended context, as each one can have a unique nuance and meaning.