stateside adjective 3adverb 2 adjective3 •In the United States.I'll be stateside for the next month.You'll need a valid stateside motorcycle license. •In the 48 contiguous states. •(Philippines) imported (especially of goods) adverb2 •In or to the United States, especially the lower forty-eight.I'll be going stateside next month! •In or to the 48 contiguous states.