Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun elf
2 senses of elf
Sense 1
elf, hob, gremlin, pixie, pixy, brownie, imp -- ((folklore) fairies that are somewhat mischievous)
=> fairy, faery, faerie, fay, sprite -- (a small being, human in form, playful and having magical powers)
Sense 2
extremely low frequency, ELF -- (below 3 kilohertz)
=> radio frequency -- (an electromagnetic wave frequency between audio and infrared)