WIDE › wide: broad shoulders a broad smile
a broad range/variety, etc › a group that includes many different things or people: a broad range of subjects
a broad outline/picture, etc › a general description, without detail: This is just a broad outline of the proposal.
SPEECH › A broad accent (= way of speaking from a region) is very noticeable: a broad Irish accent
in broad daylight › during the day when it is light and people can see: He was attacked in broad daylight.