GRE Vocabulary

Some new words I learned while studying for the GRE:

Perfidious
Craven
Cosmopolitan
Tortuous
Sedulous
Inexorable
Ineffable
Phylogeny
Calumniate
Doldrums
Demur
Ponderous
Artifice
Countenance
Polemic
Eclectic
Phlegmatically
Perfunctorily
Abrogate
Noisome
Capricious
Rapacious

And one word that describes what I want to do with the Powerprep GRE study software:

Defenestrate