Source : Webster's Revised Unabridged Dictionary (1913)

Oafish \Oaf"ish\, a.
   Like an oaf; simple. -- {Oaf"ish*ness}, n.

Source : WordNet®

oafish
     adj : ill-mannered and coarse and contemptible in behavior or
           appearance; "was boorish and insensitive"; "the loutish
           manners of a bully"; "her stupid oafish husband";
           "aristocratic contempt for the swinish multitude" [syn:
            {boorish}, {loutish}, {neanderthal}, {neandertal}, {swinish}]