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slang.fyi

dry fasting

/draɪ ˈfɑː.stɪŋ/

Uncommon

A fast where no food or water is consumed for a set period.

Dry fasting communities use terms like 'soft dry fast' (no ingesting but showering is allowed) and 'hard dry fast' (no contact with water at all). The distinction is taken seriously internally.

Real-world examples4 examples
#ExampleWhat it meansSource
0124 hour dry fast complete. never felt thirst like that beforeA one-day dry fast ended and the thirst was intense.reddit, 2023
02dry fasting is just water fasting with extra sufferingSkeptical take comparing dry fasting to its better-known counterpart.reddit
03soft dry fast for ramadan. hard dry fast sounds actually medically unhingedReligious dry fasting is a soft version; the hard version is seen as extreme.x, 2024
04the dry fasting community believes 1 day dry = 3 days water fasting. not sure that's scienceNoting a community belief that lacks scientific backing.reddit

Use it when

  • Describing a complete abstinence from all food and liquid.
  • Referring to the specific practice within extreme fasting communities.

Do not use it when

  • You mean fasting where water is allowed.Use “water-fasting” instead.
  • You mean time-restricted eating.Use “intermittent-fasting” instead.

Dry fasting vs water fasting

dry fasting

Dry fasting eliminates all food and all liquid including water.

VS

water-fasting

Water fasting eliminates food but allows unlimited water.

Origin and context

Has roots in religious fasting traditions like Ramadan and Yom Kippur. As a wellness practice separate from religion, it emerged in fringe online fasting communities in the mid-2010s and remains niche.

First seen
mid-2010s
Confidence
low

Cite this page

Use this stable URL to reference the entry.

https://slang.fyi/dry-fasting
Updated: 2026-08-28License: CC BY 4.0

Related slang

water fastingomadintermittent fastinghard dry fastsoft dry fast