frenemyn.

1891 Champion (Norton, Kansas) 17 Dec. 3/1 During an hour's wily interview, he permitted us to surmise that while not in the hands of his frienemies himself, it is an opportunity freighted with big import so shelf-worn politicians and subsidized statesmen will not be forced to run for office against their professed wishes.

1932 W. Winchell in Evening Courier (Camden, New Jersey) 24 Nov. 10/3 Ted Stillman has at last discovered the best way to refer to a Broadway ‘pal’. Call him a frienemy.

1953 W. Winchell in Nevada State Jrnl. 19 May 4/4 Howz about calling the Russians our Frienemies?

1977 J. Mitford in N.Y. Times 13 Sept. 31/1 My sister and the Frenemy played together constantly,..all the time disliking each other heartily.

2001 Daily Tel. (Nexis) 22 Mar. 69 The new rules require working with competitors or ‘frenemies’ to survive.

2007 M. L. Jacobs How to Jump from Ferris Wheel & Land on your Feet 57 I cannot continue to allow myself to be stifled by the pressures of life and the people around me and this is in respect to work, lovers, associates, friends, enemies and worst of all frienemies.