- 1not bright the dim glow of the fire in the grate This light is too dim to read by. place
- 2where you cannot see well because there is not much light a dim room/street shape
- 3that you cannot see well because there is not much light the dim outline of a house in the moonlight I could see a dim shape in the doorway. eyes
- 4not able to see well His eyesight is getting dim. memories
- 5that you cannot remember or imagine clearly synonym vague dim memories She had a dim recollection of the visit. (humorous) in the dim and distant past person
- 6(informal, especially British English) not intelligent He's very dim. See related entries: Stupid situation
- 7not giving any reason to have hope; not good Her future career prospects look dim. Word Origin Old English dim, dimm, of Germanic origin; related to German dialect timmer.Extra examples He seems incredibly dim sometimes! He was good-natured but rather dim. The living room looked dim and shadowy. A dim lamp swung in the entrance. A voice came from the dim interior. It was hard to see in the dim glow of the streetlights. Owls’ eyesight is good in dim light. She was a pleasant but rather dim young woman. The light is too dim to read by. The room was dim because the curtains were half drawn. The room was very dim with a murky greenish light. They stepped into the dim and cluttered little shop.Idioms to disapprove of somebody/something; to not have a good opinion of somebody/something She took a dim view of my suggestion.