duraradhyam

durārādhyam — impossible to be worshiped; SB 3.19.36
durārādhyam — very difficult to propitiate; SB 4.11.11
durārādhyam — very difficult to worship; SB 4.24.55
durārādhyam — very difficult to worship; SB 4.24.76
durārādhyam — rarely worshiped; SB 10.48.11
durārādhyam — difficult to worship; SB 10.88.11