rival - competitor, contender⏎
unprofitable - uneconomic, unproductive, profitless⏎
text - meaning, precept, written words⏎
voluntary - uncharged (fee), offered, done willingly⏎
x-rated - adult, pornographic, unsuitable for children and under-age people⏎
unlawful - illegal, illicit⏎
section - department, subdivision, part, department⏎
zero hour - departure, beginning (of operation)⏎
unexpired - valid, remaining, still in force⏎