i Register
In some senses, burrow is marked as obsolete. Watch for register when choosing this word.
ADV
deep
away, down
The rabbit burrowed away into the hillside to escape the fox.
PREP
beneath/under
The mole dug and burrowed beneath the garden soil to find insects.
into
The rabbit quickly burrowed into the soft ground beneath the fence.
through
The rabbit burrowed through the garden fence to escape from the dog.
PHRASES
burrow your way
The mole burrowed its way deep underground to escape the heavy rain.