1648 R. Boyle (1659) xiv. 94 So far from enabling us by them, to Requite his Love,..it encreases the Unrequitednesse of it.
1837 July 141 The lover is thoroughly convinced of the unrequitedness of his affection.
2002 K. Sieg ii. 108 The Winnetou adaptations in the 1950s emphasize the unrequitedness of Nscho-tschi's love for the German.