"widely divided" is a correct and usable phrase in written English.
You can use it when you are describing something that has been separated into many distinct parts or categories. For example, "The audience was widely divided in their opinion of the new policy."
The other major college football awards were widely divided.
Opinion remains widely divided on this issue, since few countries agree on which dyes are safe.
But Washington still appears widely divided (between state and defence departments) on the issue of diplomatic recognition.
In advance of a possible Senate vote on the resolutions, Republican senators now appear widely divided over how to proceed.
"The trade is widely divided on the subject," said Shane McClure, the director of West Coast identification services for the Gemological Institute of America.
And the responses of religious bodies show how widely divided they are, one from another, on such questions as whether to permit their clergy to officiate at same-sex unions, or whether to ordain gays as clergy members.
On top of that, the political opposition is weak, divided and widely discredited.
CBCL 1.5 5 (Oh and Kim 2009), a standardized version of Child Behavior Checklist being widely used internationally, is divided into the two axes describing internalizing and externalizing behavioral problems.
Tissue of 4 FTA, 4 minimal invasive FTC and 4 widely invasive FTC was divided in two parts each.
The Azores are divided into three widely separated island groups: the eastern group, consisting of São Miguel, Santa Maria, and the Formigas islets; the central group, consisting of Faial, Pico, São Jorge, Terceira, and Graciosa; and the northwestern group, consisting of Flores and Corvo.
Deprivation status was measured using the Carstairs deprivation score which is widely used in health research (divided into quintiles).
