1. (adverb)southeast, sou'-east, southeastward, SE the compass point midway between south and east; at 135 degrees Synonyms: sou'-east, selenium, atomic number 34, southeastern United States, southeast, southeastward
2. (adverb)southeast, south-east, sou'-east to, toward, or in the southeast Synonyms: south-east, sou'-east, southeast