The phrase "straw broke the camel's back" is a way of describing a situation where a small, seemingly insignificant thing was the final event that caused a much larger problem or issue to occur. Synonyms for this phrase include "tipping point," "culmination," "last straw," "final blow," or "breaking point." These expressions all convey a similar idea that a single, seemingly small event was the catalyst for a bigger issue. Being aware of these phrases and their meanings can help us better understand and communicate our thoughts and feelings about situations that have escalated due to a seemingly minor incident.