Unstable - Definition

adj 1: lacking stability or fixity or firmness; "unstable
political conditions"; "the tower proved to be unstable
in the high wind"; "an unstable world economy" [ant:
stable]
2: highly or violently reactive; "sensitive and highly unstable
compounds"
3: affording no ease or reassurance; "a precarious truce" [syn:
precarious, unstable]
4: suffering from severe mental illness; "of unsound mind" [syn:
mentally ill, unsound, unstable]
5: disposed to psychological variability; "his rather unstable
religious convictions"
6: subject to change; variable; "a fluid situation fraught with
uncertainty"; "everything was unstable following the coup"
[syn: fluid, unstable]