underlinable en · ADJ
Etymology
From underline + -able.
Meanings
-
(not-comparable) Capable of being underlined.
In bookstores (you remember them), windows and prime-space tables display language books — not images on screens but easy-to-read print on paper pages happily bound together and easily earmarkable, underlinable and turnable.
2009 April 26, William Safire, “Wide World of Words”, in New York Times: