Synonyms of 'den'
1 lairDictionary, hole, shelter
The skunk makes its den in burrows and hollow logs.
2 studyDictionary, retreat, sanctuary
The walls of his den were covered in posters.
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A burrow is a tunnel or hole in the ground that is dug by an animal such as a rabbit.
a rabbit's burrow
A cave is a large hole in the side of a cliff or hill, or one that is under the ground.
creatures such as bats and moths which shelter in caves
Thesaurus for den from the Collins English Thesaurus
A den is the home of certain types of wild animals such as lions or foxes .