Gruff

Gruff (?), a. [Compar. Gruffer (?); superl. Gruffest.] [D. grof; akin to G. grob, OHG. gerob, grob, Dan. grov, Sw. grof, perh. akin to AS. rcófan to break, Z. reavc, rupture, g- standing for the AS. prefix ge- , Goth. ga-.] Of a rough or stern manner, voice, or countenance; sour; surly; severe; harsh. Addison.

Gruff, disagreeable, sarcastic remarks.
Thackeray.

-- Gruff"ly, adv. -- Gruff"ness, n.