1. an excessive or exaggerated correction that goes beyond what is necessary or appropriate
Usage: commonly used in linguistics, psychology, and general contexts
2. in linguistics, the use of a grammatical form that is more formal or 'correct' than the standard form, often resulting in an error
Usage: technical; language learning context

Examples

• The student's overcorrection of her accent made her speech sound unnatural.
• His overcorrection of the steering wheel caused the car to swerve dangerously.
• The overcorrection in the software update introduced new bugs instead of fixing the original ones.
• In her overcorrection of the essay, she changed correct sentences into incorrect ones.
• The overcorrection of posture during physical therapy sometimes leads to muscle strain.
• Linguists study overcorrection as a common phenomenon in language acquisition.