If a need or demand is unsatisfied, it is not dealt with. The poll suggests that the strongest unsatisfied appetite for home computers isn't among the richest consumers. = unmet
If you are unsatisfied with something, you are disappointed because you have not got what you hoped to get. The game ended a few hours too early, leaving players and spectators unsatisfied The centre helps people who are unsatisfied with the solicitors they are given. = dissatisfied