i Register
In some senses, rocky is marked as archaic, figuratively, informal. Watch for register when choosing this word.
adj
Abounding in, or full of, rocks; consisting of rocks.
a rocky mountain a rocky shore
The pihoihoi live in the island's interior, and the torea on its rocky shore.
Like a rock; rigid, solid.
Marsh went on as his prisoner drank. "Because you're caught in the middle of my alternate plan, Ram-Jam, which ram-jams your ass between the rockiest rock and the hardest hard place you ever imagined.
Having a habitat around or on rocks.
Not easily affected or impressed; stony; hard; obdurate; unfeeling.
to have a rocky heart
adj
Easily rocked; unstable.
The table was rocky, so we put a book under one leg.
Encountering many problems; difficult, troubled; also, in danger or distress.
Their relationship had weathered some rocky times, but they loved each other.
Of a person: ill, or unsteady (for example, as a result of a shock).
adj
In the style of rock music.
His new album is quite rocky.