"Walled in" refers to being confined or enclosed within a physical barrier. Nonetheless, many words can be used as synonyms for this phrase, such as entombed, encircled, enclosed, blocked, barricaded, penned up, surrounded, locked in, caged, confined, impounded, and boxed in. For instance, a prisoner may feel walled in by the prison's walls, locked in by bars and fences. Similarly, a building could be barricaded, boxed in, or enclosed by a wall or a fence. In conclusion, using synonyms for "walled in" allows writers and speakers to avoid repetition while conveying the same idea of being restricted or hemmed in by physical barriers.