A large tool with a motor and teeth attached to a chain used for cutting down trees:
chainsaw
A long seat for more than one person:
sofa
Not dangerous:
harmless
If you hurt someone because they hurt you first:
revenge
The thickest part of a tree:
tree trunk
Rubber waterproof boots:
wellington boots
To face a difficult situation directly:
confront
Unsteady, might fall over easily:
wobbly
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