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delta JUST WRITTEN FOR YOU

/ˈdɛltə/ · del·ta
noun
  1. The fourth letter of the modern Greek alphabet Δ, δ. The Greek alphabet consists of 24 letters, with delta being the fourth letter.
noun
  1. A landform at the mouth of a river where it empties into a body of water. The Nile Delta is a vast alluvial plain in Egypt.
noun
  1. The letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet. In the ICAO spelling alphabet, delta is used to represent the letter D.

Synonyms

Did you know? The Nile Delta is one of the most fertile regions in the world, supporting a large population and a diverse range of crops.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 18, 2026