Search Dictionary
Definition of blowfish

blowfish

/ˈbloʊ.fɪʃ/
blow · fish

Plural:blowfish
JUMP TO:

blowfish Lexical Profile

blowfish Game Scores & Validity

• noun

1

A marine or freshwater fish of the family Tetraodontidae, noted for its ability to inflate its body with water or air when threatened, and often containing highly toxic substances.

Example

"The chef underwent rigorous certification to safely prepare blowfish, ensuring that none of its deadly toxin contaminated the meat served to guests."


2

A fast, unpatented symmetric-key block cipher used in cryptography and computer security for encrypting data.

Example

"The software engineer decided to implement Blowfish for the application's encryption, valuing its speed and public-domain availability."

Synonyms
View all synonyms for blowfish

• Rhymes for blowfish

Word Origin & Etymology

A compound of 'blow' and 'fish', coined in the mid-18th century in reference to the animal's defensive mechanism of puffing or blowing itself up with air or water when threatened.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Blowfish. In Wordmom Dictionary. Retrieved Nov 7, 2026, from https://wordmom.com/dictionary/blowfish
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.