noun, slang ·Uncommon ·College level

Definitions

Noun

1. 1
   Cognitive dysfunction associated with fibromyalgia. informal, uncountable

   "Certainly, when we are in fibrofog, we have difficulties communicating..."

Synonyms

All synonyms

brain fogbrain fog

Example

More examples

"Certainly, when we are in fibrofog, we have difficulties communicating..."

Etymology

From fibro- + fog.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.