den (n.)
- ashram
- asylum
- bolt-hole
- bordello
- branch
- brothel
- burrow
- cabinet
- cache
- cathouse
- cave
- cell
- cesspit
- cesspool
- chambers
- chancellery
- chancery
- cloister
- closet
- concealment
- consulate
- corner
- couch
- cover
- covert
- cranny
- cubby
- cubbyhole
- dive
- dugout
- dump
- earth
- embassy
- form
- foxhole
- headquarters
- hellhole
- hermitage
- hideaway
- hideout
- hiding
- hole
- joint
- lair
- legation
- lodge
- mew
- niche
- nook
- office
- pandemonium
- privacy
- recess
- refuge
- retreat
- run
- sanctuary
- sanctum
- shop
- sink
- stash
- study
- sty
- tunnel
- whorehouse
den (v.)
den (adv.)
den (adj.)
And dar'st thou then
To beard the lion in his den,
The Douglas in his hall?