Definitions

underway

[uhn-der-wey, uhn-der-wey] / ˈʌn dərˌweɪ, ˈʌn dərˈweɪ /

ADJECTIVE

in motion

Synonyms

STRONGEST

afoot ongoing

WEAK

advancing begun commenced in progress initiated moving started undertaken

Antonyms

WEAK

halted stopped

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The mayor will speak about the plan on Thursday at Donald C. Tillman Water Reclamation Plant in Van Nuys, where construction is underway on a new water recycling project.

From Los Angeles Times • Apr. 16, 2026

“It’s unclear if any actual process is underway, or if any formal proposals have been made,” UBS analysts say in a research note.

From The Wall Street Journal • Apr. 15, 2026

As tax season got underway, some prognosticators estimated that refunds would be as much as $1,000 bigger this year.

From MarketWatch • Apr. 15, 2026

Pakistan's Prime Minister Shehbaz Sharif said on Monday that "full efforts are underway" to reach an agreement to stop the fighting and that the US-Iran ceasefire was "holding".

From Barron's • Apr. 14, 2026

“I spoke to one of the officers. He assured me we’ll be underway any moment. Hey there!” he yelled down to the young men below.

From "I Survived the Sinking of the Titanic, 1912" by Lauren Tarshis