1) Beastly 2) Beastly, like Shrek 3) Like a legendary monster 4) Like some fairy tale baddies 5) Monstrous 6) Monstrously cruel Found on https://www.crosswordclues.com/clue/ogreish
O'gre·ish adjective Resembling an ogre; having the character or appearance of an ogre; suitable for an ogre. 'An ogreish kind of jocularity.' Dickens. Found on http://www.encyclo.co.uk/webster/O/15