southeastern

adjective

south·​east·​ern sau̇th-ˈē-stərn 

sau̇-ˈē-

1

often Southeastern : of, relating to, or characteristic of a region conventionally designated southeast

2

: lying toward or coming from the southeast

southeasternmost

sau̇th-ˈē-stərn-ˌmōst 

sau̇-ˈē-

adjective

Examples of southeastern in a Sentence

the southeastern corner of the state

Recent Examples on the Web

Rockland is located in southeastern Massachusetts in Plymouth County and is about 21 miles south of Boston. —Matt Schooley, CBS News, 13 Dec. 2025

That hasn't influenced southeastern Wisconsin's weather much though, Wood said. —Bridget Fogarty, jsonline.com, 12 Dec. 2025

The experiment found that the southeastern polar bears of Greenland have diverged genetically from their northeastern counterparts, who live in a colder part of the region and were separated from each other roughly 200 years ago. —Briana Alvarado, ABC News, 11 Dec. 2025

How Indiana is faring In much of the southeastern United States, kudzu has gone rogue. —Sophie Hartley, IndyStar, 10 Dec. 2025

Word History

Etymology

southeast entry 2 + -ern (as in eastern)

First Known Use

before the 12th century, in the meaning defined at sense 2

Rhymes for southeastern

• northeastern
• eastern

Kids Definition

southeastern

adjective

south·​east·​ern sau̇-ˈthē-stərn 

sau̇-ˈē-

1

often capitalized : of, relating to, or characteristic of the Southeast

2

: lying toward or coming from the southeast