a. 1. Causing uneasiness. [ Obs. ] [ 1913 Webster ]

Disgraceful to the king and diseaseful to the people. Bacon. [ 1913 Webster ]

2. Abounding with disease; producing diseases; as, a diseaseful climate. [ R. ] [ 1913 Webster ]

n. The quality of being diseaseful; trouble; trial. [ R. ] Sir P. Sidney. [ 1913 Webster ]