This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Simple past tense and past participle of butterfly.

"At the same time, we also confirmed that his spinal canal is becoming ever-narrower, given that his congenitally misshapen vertebrae called hemivertebrae or "butterflied" vertebrae are crowding the delicate nerve bundles that make up the spinal cord."

butterflied    butterflies    butterflying   

swimming stroke    fleet    dart    flit    flutter   

wood-white butterfly    atalanta butterfly    brush-footed butterfly    american copper butterfly    copper butterflies   

butterflies in one’s stomach    butterfly bush    buddleia    butterfly bat    butterfly collector   

lep   

moth    insect    bird    spider    beetle