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.

An investigation is underway to establish what happened and any possible motive.

From BBC • Jun. 9, 2026

Adel Bokhsam, a reconstruction official with whom AFP visited construction sites, said a host of projects are currently underway, which he said were about 80 percent completed.

From Barron's • Jun. 6, 2026

Production on segments for the 2026-27 season is already underway.

From Los Angeles Times • Jun. 3, 2026

Detailed testing is still underway, but the material resembles malachite, a copper-rich mineral that can be processed to produce copper.

From Science Daily • Jun. 3, 2026

Once I boarded the bus and we got underway I just looked out the window and watched the country roll by.

From "Hole in My Life" by Jack Gantos