(third-person singular simple present unacknowledges, present participle unacknowledging, simple past and past participle unacknowledged)
un- + acknowledge
"unacknowledge." YourDictionary, n.d. Web. 22 June 2018. <http://www.yourdictionary.com/unacknowledge>.
unacknowledge. (n.d.). Retrieved June 22nd, 2018, from http://www.yourdictionary.com/unacknowledge
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