Out of four alternatives, choose the one which can be substituted for the given words
something immaterial that interferes with action or progress
The meaning of the words is as follows:
Deterrent=> something immaterial that interferes with action or progress$
Indigence=> a state of extreme poverty or destitution$
Ribald=> referring to sexual matters in an amusingly rude or irreverent way.$
Opprobrium=> a state of extreme dishonor$
Thus option 1 is the correct answer.$