Crepuscular
Adj: active at dawn and dusk
Temper
Verb: to moderate, to soften
Abstruse
Adj: difficult to understand, obscure
Blunderbuss
2. Noun: a clumsy person
Envenom
Verb: to cause bitterness
Laconic
Adj: brief to the point
Oblique
Adj: indirect, slanting
Epicure
Noun: one who appreciates good food and drink
Tenuous
Adj: flimsy, not solid
Acrid
Adj: sharp, pungent (as of smells and tastes)
Boorish
Adj: ill-mannered
Epistle
Noun: a letter
Acrophobia
Noun: fear of heights
Debility
Noun: weakness, incapacity
Languid
Adj: tired, slow