資料來源 : Webster's Revised Unabridged Dictionary (1913)

Knurly \Knurl"y\, [Compar. {Knurlier}; superl. {Knurliest}.]
   [See {Knur}, and cf. {Gnarly}.]
   Full of knots; hard; tough; hence, capable of enduring or
   resisting much.

資料來源 : WordNet®

knurliest
     See {knurly}