Ladder/ˈlædər/ Definition 1 of 6Pro Tip 1/3Physical Use The ladder is a physical object and involves actual climbing actions. She grabbed the ladder to climb over the fence. Pro Tip 2/3Safety Precautions Using a ladder requires caution to avoid accidents or falls. He securely placed the ladder before ascending. Pro Tip 3/3Solid Support Ladders should be leaned on a stable surface for safe usage. Place the ladder against the wall, not the door.