1. Small in amount or not serious, important, or noticeable
slight
Small in amount or not serious, important, or noticeable

2. Fall over or make something fall over
topple
Fall over or make something fall over

3. Causing great damage or pain
severe
Causing great damage or pain

4. A large area of natural scenery that you can see from one place
landscape
A large area of natural scenery that you can see from one place

5. To lean or tip to one side
tilt
To lean or tip to one side

6. rubble
Broken pieces of brick, stone, or other material from a building that has been destroyed or demolished