Opposite for predictable:
"unpredictable, aleatory, capricious, freakish, unforeseeable, episodic, occasional, unpredictable, aleatory, capricious, freakish, episodic, occasional, unforeseeable"
"unpredictable, aleatory, capricious, freakish, unforeseeable, episodic, occasional, unpredictable, aleatory, capricious, freakish, episodic, occasional, unforeseeable"