'hollow man' definitions:
- actor,
- affecter,
- cipher,
- deceiver,
- dud,
- dummy,
- fake,
- fraud,
- jackstraw,
- lay figure,
- man of straw,
- mannerist,
- nebbish,
- nobody,
- nonentity,
- nothing,
- nullity,
- paper tiger,
- performer,
- phony,
- playactor,
- pretender,
- puppet,
- pushover,
- straw man,
- thing of naught,
- trifle,
- zero