underway

1 of 2

adjective

un·​der·​way ˌən-dər-ˈwā 

: occurring, performed, or used while traveling or in motion

underway replenishment of fuel

underway

2 of 2

adverb

variants or less commonly under way

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

Adverb

• afoot
• under weigh

Examples of underway in a Sentence

Adverb

construction of the new shopping mall is under way

Recent Examples on the Web

Adjective

Evacuations were underway along parts of North Carolina's Outer Banks, a big draw for vacationers every summer. —Gabe Hauari, USA Today, 20 Aug. 2025

After years of negotiations and delays, construction is underway on the first of several major projects that represent a massive overhaul at O’Hare International Airport. —Chicago Tribune, 19 Aug. 2025

Efforts to protect property should now be underway. —Nc Weather Bot, Charlotte Observer, 19 Aug. 2025

Michigan's lush and plentiful apple season is getting underway. —Susan Selasky, Freep.com, 19 Aug. 2025

Word History

Etymology

Adverb

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

First Known Use

Adjective

1743, in the meaning defined above

Adverb

1720, in the meaning defined at sense 1

Rhymes for underway

• aaa
• adonais
• alleyway
• alumnae
• anime
• anyway
• arete
• attache
• baa
• beaujolais
• bouvier
• breakaway

Kids Definition

under way

adverb

1

: in or into motion

a ship getting under way

2

: in progress

preparations are under way