1 interstate /ˌɪntɚˈsteɪt/ adjective Learner's definition of INTERSTATE
always used before a noun
: relating to or connecting different states : existing or occurring between states especially in the U.S.州际的;跨州的 2 interstate /ˈɪntɚˌsteɪt/ noun plural interstates
plural interstates
Learner's definition of INTERSTATE
[count] US
: a major highway that connects two or more states : an interstate highway州际公路