underlining

== English == === Pronunciation === === Etymology 1 === From underline +‎ -ing. ==== Verb ==== underlining present participle and gerund of underline ==== Noun ==== underlining (countable and uncountable, plural underlinings) An act or instance of marking text with an underline. Synonym: underlineation === Etymology 2 === From under- +‎ lining. ==== Noun ==== underlining (plural underlinings) A lining on the inside of a garment. === See also === Not to be confused with underlying.