Her laughter filled the entire room with joy.

Meaning: Her laughter spread throughout the room, creating a joyful atmosphere.

Choice of Words: Laughter refers to the act of laughing, which is a natural response to something funny or enjoyable. Filled means to make something full or to occupy a space completely. Entire means all of something, without leaving anything out. Room is a place where people live, work, or spend time. Joy is a feeling of great happiness or delight.