when a situation is uncertain, and something bad may happen► uncertain · The situation on the island is still very uncertain and the army is on full alert.· The long-term benefits of the treatment are extremely uncertain.· The economic outlook is so uncertain that I would think carefully before investing any money.highly uncertain (=very uncertain) · The company faces a highly uncertain future.
► be/look/remain etc doubtful to be uncertain and likely to be bad: · The result of the President's re-election campaign remains doubtful.· With more and more cuts in government spending, the program's future now seems doubtful.it is doubtful if/whether: · It is doubtful if she will survive the operation.· It is extremely doubtful whether the aid is actually reaching the people who need it most.it is doubtful that: · It is doubtful that the governor's proposed tax increase will be popular with voters.
► be in doubt if someone or something's future or success is in doubt , it seems very uncertain and they may not be able to continue or to succeed: · After yet another injury, his football career is in doubt.· The building's future remained in doubt until the government agreed to restore it.
► it's touch and go spoken you say it's touch and go when a situation seems extremely uncertain and you are worried that something may not happen in the way you want: · It was touch and go for a few hours, but we were able to get everything out of the basement before it flooded.· An urgent operation was needed to save his life, and doctors said it was touch and go until the end of the procedure.it's touch and go whether: · Traffic was really heavy, and for a while it was touch and go whether they'd get to the wedding on time.
► be/hang in the balance if something is in the balance or hangs in the balance , there is a risk that something bad will happen so that it will not continue: · The survival of the African elephant hangs in the balance.· His career as a politician hung in the balance.· I can't say what the outcome of the talks will be -- they're very much in the balance at the moment.
► iffy spoken informal use this to describe a plan or situation that seems uncertain and may not succeed or happen as you want: · "What's happening about your new job?" "The whole thing's rather iffy at the moment."· I was hoping to go to the beach today but it's looking iffy because of the weather.