mystery ship

noun
variants: or mystery boat

Definition of mystery ship

: q-boat first used of one of a class of ships built in England during World War I

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!

Learn More about mystery ship

Statistics for mystery ship

Cite this Entry

“Mystery ship.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/mystery%20ship. Accessed 8 December 2019.

Comments on mystery ship

What made you want to look up mystery ship? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to constrict the range or activity of

Get Word of the Day daily email!

Test Your Vocabulary

Semantic Drift Quiz

  • a twisty river
  • Which of the following was once a synonym for fun?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!