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Definition of gremlin
gremlin
/ˈɡrɛm.lɪn/
grem · lin
Plural:gremlins
gremlin Lexical Profile
CEFR
C1
Grade
7
Tier
2
Usage
Rare
Syllables
2
gremlin Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
An imaginary mischievous sprite or creature invented by early twentieth-century aviators to explain mysterious mechanical malfunctions in aircraft or other machinery.
Example
"The veteran pilot joked that a mischievous gremlin must have been hiding inside the cockpit's instrument panel."
2
An unexplained, elusive problem or fault in a mechanical, electronic, or operational system.
Example
"Broadcast engineers spent hours tracking down a technical gremlin that kept disrupting the live audio feed."
Synonyms
View all synonyms for gremlin• Rhymes for gremlin
• Nearby Words
Word Origin & Etymology
Coined in the 1920s as Royal Air Force slang for an imaginary creature blamed for unexplained aircraft malfunctions, possibly blending 'goblin' with 'Fremlin', the name of a British brewery popular among aviators.
Cite this Entry
Wordmom. (2026). Definition of Gremlin. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/gremlin