As an adjective brethren is
of or pertaining to any religious group that uses or formerly used the word "brethren", capitalized, in referring to itself or its members.
As a noun brethren is
(in the plural|informal) any brethren denomination (usually preceded by "the" or "the").
wikidiffcom
Not English
Wikidiffcom has no English definition. It may be misspelled. brethren
English
Noun
(head)
(archaic)
(figuratively) the body of members, especially of a fraternal, religious or military order
Usage notes
The plural "brethren" is generally used for members of an organization, especially a religious body, whereas the plural "brothers" is used in the familial sense as well as for larger groups.
See also
* Brethren
* brother
* sistren and nun
* friar and frater or father
* brotherhood, sisterhood
* fraternity
* siblings
