- unworthy of a knight.
- not like a knight.
- in a manner unworthy of a knight.
Origin of unknightly
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unknightly
But there is nothing more hateful to me than his unknightly sloth!King Arthur's Knights
There seemed something about it unknightly, unkind and cowardly, almost base.Tancred
I would not have the man I am to wed guilty of an unknightly act.Margaret Tudor
Annie T. Colcock
When I looked up I am afraid that there was most unknightly water in my eyes.The Dew of Their Youth
S. R. Crockett
Or is it, rather, because you have committed an unknightly action?Sintram and His Companions
Friedrich de la Motte Fouque