Adjective northeastern has 2 senses
  1. northeastern, northeasterly, northeast - situated in or oriented toward the northeast; "the northeasterly part of the island"
    Antonym: south (indirect, via north)
  2. northeastern - of a region of the United States generally including the New England states; New York; and sometimes New Jersey and Pennsylvania
    Antonym:
    western (indirect, via eastern)
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