fiend   (Sound)

The noun fiend has 3 senses

• monster, fiend, devil, demon, ogre -- (a cruel wicked and inhuman person)


• devil, fiend, demon, daemon, daimon -- (an evil supernatural being)


• fanatic, fiend -- (a person motivated by irrational enthusiasm (as for a cause); "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill)