Adjective: "(rare) appearing younger than one's actual age"
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2006 — David Rose, They Call Me Naughty Lola: Personal Ads from the London Review of Books , Scribner (2006), →ISBN , page 56 :
Gynotikolobomassophile (M, 43) seeks neamimorphic F 60 to share euneirophrenia.
2007 — Stephen Murray, Taking Liberties , iUniverse (2007), →ISBN , page 59 :
[ …] god she was still really stunning for her age, Marie looked like a forty year old rather than someone approaching her fiftieth birthday, she is definitely neanimorphic .
2008 — Tony Deyal, "Jarns, Nittles, Grawlix and Quimps ", Kaieteur News , 16 June 2008:
In spite of my increasing girth and decreasing hair, I can still be described as "neanimorphic ," or looking younger than my years.