Meaning of the word "last straw" in English

What does "last straw" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

last straw

US /lɑst strɔ/
UK /lɑːst strɔː/

Idiom

the final problem in a series of problems that makes you lose your patience or hope

Example:
When he insulted my family, that was the last straw.
I've been patient, but this is the last straw.