westbound

American

[west-bound] / ˈwɛstˌbaʊnd /

adjective

proceeding or headed west.

westbound British

/ ˈwɛstˌbaʊnd /

adjective

going or leading towards the west

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of westbound

An Americanism dating back to 1880–85; west + -bound ²

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.

Since March 16 "anything heading westbound has been shadow fleet, gas carriers or tankers... they absolutely dominate the traffic going through," Diakun told the Lloyds briefing.

From Barron's • Mar. 19, 2026

Barry O'Sullivan was driving a Ford Transit Connect on the M4 westbound between junctions 11 and 12 in Berkshire when he hit a stationary Nissan Micra at about 08:30 GMT on 7 March 2022.

From BBC • Feb. 18, 2026

Two agents started chasing the man who’d tossed it westbound down 26th St. I tried to follow, but then heard an explosion from behind me.

From Slate • Jan. 25, 2026

The first sailing on the service will be a westbound trans-Suez voyage departing Dubai on Thursday.

From The Wall Street Journal • Jan. 15, 2026

“There’s an Amtrack station half a mile that way. According to Gladiola, the westbound train leaves at noon.”

From "The Lightning Thief" by Rick Riordan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023