say it: in-tur-STAYT
interstate is a noun and adjective meaning "one of the system of highways linking major cities in the 48 contiguous states of the United States". It carries 2 recorded senses.
one of the system of highways linking major cities in the 48 contiguous states of the United States
involving and relating to the mutual relations of states especially of the United States
“Interstate Highway Commission”
“interstate highways”
“Interstate Commerce Commission”
“interstate commerce”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for interstate come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.