The term "without egress" means being trapped, stuck or isolated without any way out. Antonyms for this phrase would be words and expressions that suggest the opposite, such as "accessible", "open", "free", "unhindered", "outgoing", "unrestricted", "unlocked", "available", or "flowing". These words express the idea of freedom of movement, the possibility of going or coming freely, and the absence of any kind of obstacle or impediment. Therefore, it's important to consider the context and the intended meaning when using antonyms of "without egress" in order to convey the precise message and avoid confusion.