southbound

adjective

south·​bound ˈsau̇th-ˌbau̇nd 

: traveling or heading south

Examples of southbound in a Sentence

The southbound lanes are closed to traffic.

Recent Examples on the Web

Crash reported on southbound I-435 There has been a crash on I-435 between US-50/Exit 71 and 103rd Streetreet/104th Street. — Kansas City Star Bot, Kansas City Star, 21 Sep. 2026

The Texas Department of Transportation reported the north and southbound lanes of I-35, just north of I-20, were closed to traffic for several hours. — Harriet Ramos, Fort Worth Star-Telegram, 18 Sep. 2026

Police said two northbound lanes and two southbound lanes of the Edens Expressway were blocked after the crash. — Todd Feurer, CBS News, 18 Sep. 2026

The project has required the full closure of Book Road from 75th Street to 87th Street and a partial closure from 87th Street to 95th Street, where only local southbound traffic is permitted. — Carolyn Stein, Chicago Tribune, 18 Sep. 2026

Word History

First Known Use

1655, in the meaning defined above

Rhymes for southbound

• abound
• aground
• around
• astound
• background
• campground
• clothbound
• confound
• earthbound
• eastbound
• expound
• fairground

Kids Definition

southbound

adjective

south·​bound ˈsau̇th-ˌbau̇nd 

: headed south

a southbound train