sink - decrease, deteriorate, suppress⏎
select - choose, pick, opt for, carefully chosen, excellent⏎
undisclosed - concealed, hidden, not made known⏎
unexpired - valid, remaining, still in force⏎
unique - special, unusual, inimitable, one of a kind⏎
tentative - experimental, cautious, provisional, not definite,⏎
undertaking - task, project, promise, agreement, commitment⏎
sue - litigate, claim damages in court⏎
scrutinise - scan, look at or examine closely, scrutinize⏎
vanilla - ordinary, not special⏎