touch-and-go
adjective
• (of an outcome, especially one that is desired) possible but very uncertain.
• "it was touch-and-go whether she could reach the pram before it overturned"
Similar:
uncertain,
unsure,
unclear,
dubious,
tight,
delicate,
sticky,
tricky,
precarious,
risky,
in jeopardy,
in danger,
hazardous,
dangerous,
critical,
unsafe,
treacherous,
suspenseful,
cliffhanging,
on thin ice,
hanging by a thread,
hairy,
dodgy,
touch-and-go
noun
• a manoeuvre in which an aircraft touches the ground as in landing and immediately takes off again.
• "I tried a few touch-and-goes"