four walls
- roomEnclosed interior area
- enclosedSurrounded and sealed within
- prisonConfinement for offenders
- trappedUnable to escape
- confinedKept within bounds
home · shelter · boundaries · ceiling · floor · box · cage · isolation · apartment · cell · claustrophobic · domestic · house · interior · surrounding · barrier · limit · sanctuary
enclosure vs. openness
four wallsopen air
Unenclosed outdoor space
outdoors · open sky · open space · wilderness · wide open spaces
confinement vs. freedom
four wallsfreedom
Absence of constraint
open road · liberty · wide world · escape · release