This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Pertaining to, or as a result of macroevolution.

"But make no mistake: the mechanism he offers still relies on random genetic changes in homeobox genes controlling development, not accumulated small mutations over time that result in "macroevolutionary" changes."