Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A syntax error is a mistake in the structure or format of a program's code that prevents it from being compiled or executed properly. It occurs when the code violates the rules and grammar of the programming language.
Related terms
Logic Error: A logic error refers to a mistake in the algorithm or flow of a program that causes incorrect output or unexpected behavior.
Runtime Error: A runtime error occurs during program execution when something unexpected happens, such as dividing by zero or accessing an invalid memory location.
Compiler: A compiler is a software tool that translates human-readable source code into machine-executable instructions. It checks for syntax errors and generates an executable file if there are no errors.