unstable

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}]

4: suffering from severe mental illness; "of unsound mind"

[syn: {mentally ill}, {unsound}]

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}]