mothproof

1 of 2

adjective

moth·proof ˈmȯth-ˌprüf

: impervious to penetration by moths

mothproof wool

mothproof

2 of 2

verb

mothproofed; mothproofing; mothproofs

transitive verb

: to make mothproof

mothproofer noun

Word History

First Known Use

Adjective

1847, in the meaning defined above

Verb

1888, in the meaning defined above

Time Traveler

The first known use of mothproof was in 1847

See more words from the same year

Cite this Entry

Style

“Mothproof.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mothproof. Accessed 20 Mar. 2023.

Copy Citation

Word of the Day

kith

Listen to the pronunciation of kith

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Which Came First?

hot take or cold shoulder?

cold shoulder hot take

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY