1. superlative form of dim: having the least light or brightness
2. superlative form of dim: least clear or distinct in outline or detail
3. superlative form of dim: least intelligent or perceptive
Usage: informal

Examples

• The dimmest star in the constellation was barely visible.
• She kept only the dimmest memory of her childhood home.
• The basement had the dimmest lighting in the entire house.
• Even the dimmest student could understand the basic concept.
• The dimmest corner of the room collected dust and cobwebs.
• His dimmest recollection was of playing in the garden.
• The dimmest bulb in the chandelier needed to be replaced.