
Overthink
Anxiety Link
Overthink often implies worry or anxiety about making a perfect choice or finding an issue.

I always overthink my responses in job interviews, fearing I'll say the wrong thing.
Decision Paralysis
Using 'overthink' can suggest someone is stuck and unable to decide because they're thinking too much.

She's overthinking which dress to wear and can't make up her mind.
Simple Matters
The word is often used when a simple matter is made complex by unnecessary thought.

Don't overthink the homework; the answer is straightforward.
Compare with
AgonizeBroodDwell onFretRuminateScrutinize
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