adjective, dim·mer, dim·mest.
verb (used with object), dimmed, dim·ming.
verb (used without object), dimmed, dim·ming.
Origin of dim
Synonyms for dim
adjective dimmer or dimmest
verb dims, dimming or dimmed
Word Origin for dim
c.1200, perhaps in Old English, from dim (adj.). Related: Dimmed; dimming.
Old English dimm "dark, gloomy, obscure," from Proto-Germanic *dimbaz (cf. Old Norse dimmr, Old Frisian dim, Old High German timber "dark, black, somber"). Not known outside Germanic. Slang sense of "stupid" is from 1892. Related: Dimly; dimness.
see take a dim view.