1. (in an insect or amphibian) the process of transformation from an immature form to an adult form in two or more distinct stages: "the persistence of the larval tail during metamorphosis"
▪ a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means:"his metamorphosis from presidential candidate to talk-show host"
Word Originlate Middle English: via Latin from Greek metamorphōsis, from metamorphoun ‘transform, change shape’.