تفاخروا

[They vied, or competed, or contended for superiority, one with another, in فَخْر, i. e., glorying, or boasting, or in glory, or excel-lence, i. e. they emulated, or rivalled, one another therein; and, simply, they vied, one with another;] they boasted together, one party against another. (S, * K.) تفاخروا فِيمَا بَيْنَهُمْ They boasted among themselves of their several causes of boasting. (Msb.)

See also 1, in two places; and 5.