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slang.fyi

decision fatigue

/dɪˈsɪʒən fəˈtiːɡ/

Common

Mental exhaustion from making too many decisions, resulting in worse choices or no choice at all.

Used both seriously (psychology, productivity) and informally as an excuse for laziness or indecision.

Real-world examples4 examples
#ExampleWhat it meansSource
01made 50 decisions at work today and now i can't figure out what to have for dinner. decision fatigueWork depleted decision-making capacity, leaving nothing for simple personal choices.x, 2023
02ordered the same meal again because of decision fatigue. it wasn't even what i wantedDefaulted to a familiar option to escape the burden of choosing.reddit, 2024
03zuckerberg wears the same outfit every day to avoid decision fatigue. honestly validReducing trivial decisions preserves mental energy for more important ones.tiktok, 2023
04the worst part of decision fatigue is you don't feel tired, you just stop caring about the choiceThe symptom is apathy about outcomes, not physical tiredness.x, 2024

Use it when

  • You've made a lot of decisions all day and can't handle one more.
  • You default to a bad option just to stop having to choose.
  • You can't pick what to eat, watch, or do after a long day of work.
  • Explaining why quality of decisions declines later in the day.

Do not use it when

  • You just mean you're tired in general.
  • You mean you dislike all the options.Use “choice-overload” instead.

Decision fatigue vs choice overload

decision fatigue

Decision fatigue is about the cumulative toll of making many decisions over time.

VS

choice-overload

Choice overload is about the number of options in a single decision making it harder.

Decision fatigue vs analysis paralysis

decision fatigue

Decision fatigue comes from depletion , you've decided too much already.

VS

analysis-paralysis

Analysis paralysis comes from overthinking a specific decision.

Origin and context

Term originates in psychology research on ego depletion by Roy Baumeister and colleagues in the late 1990s. Entered mainstream and internet language in the 2010s, especially around productivity and workplace conversations.

First seen
late-1990s
Confidence
high

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Use this stable URL to reference the entry.

https://slang.fyi/decision-fatigue
Updated: 2026-08-28License: CC BY 4.0

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