Across
Across adverb - From one side to the other of an intervening space.
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Synonyms for Across
Under and across are semantically related in on topic. In some cases you can use "Under" instead a preposition "Across", when it comes to topics like of.
Under
Under adverb - In or to a lower place.
Across and under are semantically related in on topic. Sometimes you can use "Across" instead a preposition "Under", if it concerns topics such as of.
Both words in one sentence
- The papers across the Arab world—not fully under Nasser's control—have been trumpeting Arab military superiority over the weeks since the first moves, and now the Arab public is liable to see any backing down as a sign of Nasser's weakness.
Source: "Fawlty Towers" Plot - While this is much more plausible than mining a galaxy (in the way that swimming across Lake Erie is more plausible than swimming across the Pacific), they did it in a 2-D plane, so that anyone trying to avoid this minefield could simply fly over or under it.
- The bats would fly across the screen and you had to time Pitfall Harry so he passed under the bat while its wings were flapping up rather than down.
Cite this Source
Under and Across. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/across/under
Across & Under. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/across/under>.
Under or Across. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/across/under.
Google Ngram Viewer shows how "across" and "under" have occurred on timeline