1. scholar or distinguished scientist.   dipsomaniac   dilettante   savant   genealogist   Hint Half-n-half Clue   2. prima donna or chief singer in an opera.   martinet   diva   malingerer   dipsomaniac   Half-n-half Clue   3. irritating person; cattle-biting fly.   forebears   gadfly   infidel   ethnologist   Half-n-half Clue   4. disbeliever in religion.   killjoy   epistemologist   vagabond   infidel   Half-n-half Clue   5. strict disciplinarian.   martinet   equestrian   egotist   fancier   Half-n-half Clue   6. person who is ungrateful.   egotist   junta   ingrate   malefactor   Half-n-half Clue   7. one who eats too much or is insatiably eager.   genealogist   glutton   jingoist   gynaecologist   Half-n-half Clue