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Definition of weatherfish
weatherfish
/ˈwɛð.ər.fɪʃ/
weath · er · fish
Plural:weatherfish
weatherfish Lexical Profile
CEFR
C1
Grade
9
Tier
3
Usage
Rare
weatherfish Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A slender freshwater loach native to Europe and Asia, noted for its habit of becoming highly active and swimming erratically in response to drops in barometric pressure that precede storms.
Example
"The local aquarium keeps a weatherfish that reliably darts around its tank just hours before a thunderstorm hits the city."
Synonyms
View all synonyms for weatherfishWord Origin & Etymology
A compound of 'weather' and 'fish', named for the organism's well-documented behavioral sensitivity to drops in barometric pressure, which causes it to swim frantically before storms.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Weatherfish. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/weatherfish