one-ideaed

adjective

variants or one-idea'd

¦wəˌnī¦dēəd

: having or possessed by only one idea

her one-ideaed peasant mind was as inaccessible as a closed iron safe

—Joseph Conrad

sneered at him as a one-ideaed abolitionist

—David Donald

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!