Frankenstein monster

noun

variants or less commonly Frankenstein's monster

: frankenstein

a Frankenstein monster that would stand before a typecase and pluck out letters and click them into a composing stick

—T. W. Duncan

bureaucracy … become a Frankenstein monster, a law unto itself, interested largely in its own perpetuation and expansion

—E. S. Griffith

French fears that a rearmed Germany might prove to be a Frankenstein's monster which would turn on its creators

—O. N. Bradley

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!