Noun: gremlin grem-lin
- (folklore) fairies that are somewhat mischievous
"In the story, a gremlin swapped the farmer's tools for magical ones";
- elf, hob, pixie, pixy, brownie, imp
- [informal] An odd, unexpected or unknown problem
"we've found a few gremlins running the latest update"
Derived forms: gremlins
Type of: faerie, faery, fairy, fay [archaic], sprite
Encyclopedia: Gremlin