ruden

From rude +‎ -en.

ruden (third-person singular simple present rudens, present participle rudening, simple past and past participle rudened)

1. (transitive) To make rude; make raw, simplified, or more robust; toughen.

   • 1984, The Poetic Works of Charles Harpur:

     None ever voyaged the wild sea of Life / Less warped and rudened by its stormy strife, […]

• Duren, nuder, runed, under, under-, unred, urned

ruden c

1. singular definite of rude