bandwidth /ˈbændwɪdθ/ noun5 •The width, usually measured in hertz, of a frequency band.But now is a good time to be bargaining for bandwidth, as the switch from analogue to digital television is freeing up space. — 2010 •The rate of data flow in digital networks typically measured in bits per second; the bitrate. •(informal) The capacity, energy or time required.I think it's a worthy project, but I just don't have the bandwidth right now. •The width of the smallest frequency band within which the signal can fit. •The minimum, over all orderings of vertices of a given graph, of the length of the longest edge. formsbandwidths