underway

adjective
un·​der·​way | \ ˌən-dər-ˈwā How to pronounce underway (audio) \

Definition of underway

 (Entry 1 of 2)

: occurring, performed, or used while traveling or in motion underway replenishment of fuel

underway

adverb
variants: or less commonly under way

Definition of underway (Entry 2 of 2)

1 : in motion : not at anchor or aground The ship was underway at dawn.
2 : into motion from a standstill The train should be underway again soon.
3 : in progress : happening now Preparations for the celebration are already underway. A search is underway. The season got underway with a bang .

Synonyms for underway

Synonyms: Adverb

afoot, under weigh

Visit the Thesaurus for More 

First Known Use of underway

Adjective

1743, in the meaning defined above

Adverb

1720, in the meaning defined at sense 1

History and Etymology for underway

Adverb

probably from Dutch onderweg, from Middle Dutch onderwegen, literally, under or among the ways

Keep scrolling for more

Learn More about underway

Statistics for underway

Last Updated

23 Apr 2019

Look-up Popularity

Time Traveler for underway

The first known use of underway was in 1720

See more words from the same year

More from Merriam-Webster on underway

Rhyming Dictionary: Words that rhyme with underway

Nglish: Translation of underway for Spanish Speakers

Comments on underway

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

WORD OF THE DAY

behavior toward others

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
True or False

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

TAKE THE QUIZ
Add Diction

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!