riftlessadj.
/ˈrɪftlᵻs/, U.S. /ˈrɪf(t)lᵻs/ Without a rift or rifts; unbroken.
ΘΚΠ
the world > space > relative position > closed or shut condition > [adjective] > stopping up or blocking > having no openings
unholed1562
inoculated1599
unvented1624
uncrannied1627
riftless1798
solid1865
unfenestrated1884
1798 Farmer's Weekly Museum 9 Jan. 4/1 From the gnarl'd oak..To the green vine, which twines its riftless sides.
1870 Scribner's Monthly Nov. 86 In riftless gloom when earth lies shivering cold.
1890 Universal Rev. 15 June 295 Miss Winterbotham was really and after all riftless, completely sound.
1936 L. B. Lyon Bright Feather Fading 44 The riftless steep of truth.
1963 J. A. Crow Spain xi. 261 The atmosphere of the place returns to its cold and riftless gray.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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adj.1798