\\\"unstable political conditions\\\"
\\\"the tower proved to be unstable in the high wind\\\"
\\\"an unstable world economy\\\"

\\\"sensitive and highly unstable compounds\\\"

\\\"a precarious truce\\\"

\\\"of unsound mind\\\"

\\\"his rather unstable religious convictions\\\"

\\\"a fluid situation fraught with uncertainty\\\"
\\\"everything was unstable following the coup\\\"