Encountering many problems; difficult, troubled; also, in danger or distress.
In the style of rock music.
Abounding in, or full of, rocks; consisting of rocks.
Like a rock; rigid, solid.
Having a habitat around or on rocks.
Easily rocked; unstable.
Of a person: ill, or unsteady (for example, as a result of a shock).
characterized by disturbed mental health
characterized by, or conducive to poor health
tending to corrupt
sick or ill