DEVELOPED Synonyms: 244 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/developed
WEBSynonyms for DEVELOPED: evolved, improved, advanced, higher, high, enhanced, refined, late; Antonyms of DEVELOPED: retarded, rudimentary, lower, undeveloped, primitive, underdeveloped, low, backward.
DA: 27 PA: 10 MOZ Rank: 100