What is a Synonym for mistake?

Here are some synonyms for "mistake", depending on the context:

General:

* Error

* Blunder

* Slip-up

* Mishap

* Flaw

* Fault

* Oversight

* Miscalculation

* Misjudgment

More formal:

* Inaccuracy

* Infraction

* Transgression

* Aberration

* Deviation

Informal:

* Boo-boo

* Goof-up

* Screw-up

Specific contexts:

* Misunderstanding: Misinterpretation, miscommunication

* Wrong decision: Miscalculation, misjudgment, misdirection

* Physical error: Mishap, accident, fumble

The best synonym for "mistake" will depend on the specific situation and the tone you want to convey.