Synonyms for Burrow:

n.

crook, bow, balance, crouch, crane, cower, bestride, double over, bend. den, bite, protection, beach, claw, bristle, gore, lair, buck, cast, frisk. bedding, nest, rabbit warren, earth, molehill, habitat. bore, shovel, dig out, scoop, bulldoze, grub up, excavate, dredge. burrow (noun)
tunnel.
hole dug by animal (noun)
retreat, tunnel, den, lair.
object (noun)
tunnel.
tunnel (noun)
lair, retreat, den.

v.

dig a hole (verb)
excavate.
motion (verb)
tunnel.

Other synonyms:

double over, bestride, molehill, bedding, dig out, cower, grub up, habitat, crane, crouch, excavate. bristle, rabbit warren, shovel, frisk, lair, gore. den, beach, dredge, buck, crook, bulldoze, bow. earth. bend. scoop. bite, nest. cast. balance. drill hole
bore.
Other relevant words:
dredge, retreat, frisk, shovel, den, earth, lair, dig out, rabbit warren, bore, bulldoze, scoop, crane, molehill, nest, excavate, tunnel, balance, cower, bristle, bite, buck.

Usage examples for burrow

  1. At the top you generally find it lined with pieces of grass or leaves that the worm has pulled in; lower down the lining comes to an end, but the colour of the burrow is redder than that of the rest of the soil wherever the soil has a greenish tinge. – Lessons on Soil by E. J. Russell
  2. The two little Mashuna boys shot out of the back kitchen as scared as a couple of rabbits when the ferret is threading the winding passages to their burrow – The Triumph of Hilary Blachland by Bertram Mitford
  3. These little animals burrow deep in the ground, thousands of them close together, and this is why it is called a prairie dog town. – A Soldier in the Philippines by Needom N. Freeman