a. [ From Knob. ] 1. Full of, or covered with, knobs or hard protuberances. Dr. H. More. [ 1913 Webster ]
2. Irregular; stubborn in particulars. [ Obs. ] [ 1913 Webster ]
The informers continued in a knobby kind of obstinacy. Howell. [ 1913 Webster ]
3. Abounding in rounded hills or mountains; hilly. [ U.S. ] Bartlett. [ 1913 Webster ]