underdo

verb

intransitive verb

: to do less than one can or than is requisite or proper

transitive verb

1

: to do less thoroughly than one can or should

especially : to cook (as meat) rare

2

obsolete : underact

Word History

Etymology

under entry 1 + do

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!