Asperity
Noun: severity, rigor
Asseverate
Verb: to allege or assert
Augury
Noun: an omen
Bellicose
Adj: belligerent, warlike
Calumniate
Verb: to slander, to make false accusation
Captious
Adj: disposed to point out trivial faults
Cavil
Verb: to find fault without good reason
Chimera
Noun: an illusion, imaginary fire-breathing she-monster
Contumacious
Adj: insubordinate, rebellious
Descry
Verb: to discriminate or discern
Desuetude
Noun: disuse
Desultory
Adj: random, aimless
Diaphanous
Adj: transparent, gauzy
Diffident
Adj: reserved, shy, unassuming
Dirge
Noun: a song of grief or lamentation