Her smile lit up the entire room.
Meaning: Her smile made everyone in the room feel happy and cheerful.
Choice of Words: Smile is a facial expression of happiness, joy, or amusement. Lit means to produce or cause light. Entire means all of something, without exception. Room is a space or area within a building enclosed by walls, floor, and ceiling. When you put them together, the sentence means her smile brought joy and brightness to the whole room.
Alternative Expressions
Related Expressions