(third-person singular simple present underfits, present participle underfitting, simple past and past participle underfitted)
under- + fit
"underfit." YourDictionary, n.d. Web. 21 June 2018. <http://www.yourdictionary.com/underfit>.
underfit. (n.d.). Retrieved June 21st, 2018, from http://www.yourdictionary.com/underfit
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