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Retrogression

nounverified·updated May 18, 2026

passing from a more complex to a simpler biological form

Framework senses

Wordset Dictionary2 sensesview framework →
§1
returning to a former state
§2
passing from a more complex to a simpler biological form
Legacy lexicon import1 senseview framework →
§1 · legacy_primary
passing from a more complex to a simpler biological form
DR-088 backfill from the noun definition column