1. superlative form of massy; most massive, bulky, or heavy
Usage: archaic; literary

Examples

• The massiest of the ancient stones required dozens of workers to move.
• Among all the cathedral’s pillars, this was the massiest and most imposing.
• The massiest clouds gathered on the horizon before the storm.
• Of all the fortress walls, the eastern gate was protected by the massiest stones.
• The massiest branches of the oak tree stretched across the entire courtyard.