What does captive customer mean?

captive customer meaning in Law Dictionary

customer would you n't have realistic options to buying energy through the neighborhood utility, regardless if that consumer had the legal right to purchase from competitors.

captive customer meaning in Business Dictionary

Buyer or user who's hesitant to substitute one item or seller with another, because of the high price (when it comes to disquiet, energy, and/or money) tangled up in changing.