# fat tail definition

• noun:
• The reasonably high probability of a comparatively extreme result.
• A tail of a probability distribution with notably greater kurtosis than a standard distribution (with kurtosis = 0).
• A tail of a probability distribution with unlimited difference.
• The fairly high probability of a relatively extreme result.
• A tail of a probability distribution with somewhat higher kurtosis than a normal distribution (that has kurtosis = 0).
• A tail of a probability circulation with unlimited difference.
• The fairly high probability of a somewhat extreme result.
• The fairly big probability of a somewhat extreme result.
• A tail of a probability circulation with substantially higher kurtosis than a standard distribution (with kurtosis = 0).
• A tail of a probability circulation with significantly greater kurtosis than a normal distribution (with kurtosis = 0).
• A tail of a probability distribution with unlimited variance.
• A tail of a probability circulation with limitless variance.

## Related Sources

• Synonym for "fat tail"
• heavy tail