マチガエ
Meanings
Noun
1. mistake; error; blunder
2. accident; mishap; trouble
3. improper conduct (e.g. between man and woman); indiscretion
Pitch accent
チガ
Used in vocabulary (2 in total)
if things go wrong; if the worst happens
Examples (5 in total)
This is not a mistake.
When you're in a hurry, it's easy to make a mistake.
Sorry for all the typos.