Highway
Highway noun - A passage cleared for public vehicular travel.
Usage example: the four-lane highway narrows to two lanes once you leave the city
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Synonyms for Highway
Interstate and highway are semantically related in capacious road topic. In some cases you can use "Interstate" instead a noun "Highway".
Interstate
Interstate noun - One of the system of highways linking major cities in the 48 contiguous states of the United States.
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Synonyms for Interstate
Highway and interstate are semantically related in expressway topic. You can use "Highway" instead a noun "Interstate".
Mutual synonyms
Both words in one sentence
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Vermont has strict rules about highway signs and the ones shown on the interstate do not comply with said rules.
Source: Film / Captain Phillips -
Easy enough to do at a fair number of highway interchanges in the US, Especially from an Interstate to a US Highway or one Interstate to another.
Source: Wrong Turn at Albuquerque -
The Ohio section of the route (which constitutes the majority of the highway's miles) is east of the higher-numbered Interstate 75.
Source: Artistic License Geography
Cite this Source
Interstate and Highway. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/highway/interstate
Highway & Interstate. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/highway/interstate>.
Interstate or Highway. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/highway/interstate.
Google Ngram Viewer shows how "highway" and "interstate" have occurred on timeline