overthink
v.v. to think about something too much, especially when you are trying to make a decision. This often makes you feel more confused or worried than you need to be.
v. to engage in excessive or unnecessary mental analysis of a situation, often leading to indecision or increased anxiety. Frequently used in the context of decision-making or problem-solving.
Don't overthink the small details of the plan.
She realized she was overthinking the interview and decided to focus on her breathing instead.
While some people benefit from deep reflection, others find that they overthink every minor setback, eventually paralyzing their ability to take any action at all.
From Middle English overthenken, overthenchen (compare Middle English overthinken (“to grieve; have regrets; be sorry; be anxious”)), from Old English oferþenċan (“to think over; consider”), equivalent to over- + think.
From over- + think.