marginlessadj.

1821 S. F. Gray Nat. Arrangem. Brit. Plants I. 395 Apothecia shieldlike, terminal, nearly marginless.

1839 D. Macmillan Mem. (1882) 89 I have had to cut away all the margin... This marginless volume..will be [etc.].

1859 W. H. Emory Rep. U.S. & Mexican Boundary Surv. II. 114 The calyx-segments are either marginless or slightly margined.

1972 Sci. Amer. July 117/1 A single photograph fills the big marginless page with dark dagger forms on a textured ivory ground.

1975 Nature 13 Feb. 500/2 But as many of the dykes are intruded by later ones, they may have been split several times, forming apparently marginless dykes.

2015 Politics & Govt. Week (Electronic ed.) 26 Mar. The printing of a predetermined size on which a toner image is formed without margin along the periphery of the recording sheet..is referred to as a 'marginless printing'.