1605 J. Sylvester tr. G. de S. Du Bartas Triumph of Faith in tr. Misc. 545 Hell-deepe-founded Monuments.
1659 W. Chamberlayne iv. iii. 46 Whose hell-deep plots the dregs of avarice Had so defil'd.
1872 A. C. Swinburne in Sept. 265 Hell-deep or heaven-high.
1971 ‘H. MacDiarmid’ (1994) II. 1434 Hell-deep and Heavenhigh!