out·er·most 
/ˈaʊtɚˌmoʊst/ adjective
always used before a noun /ˈaʊtɚˌmoʊst/ adjective : farthest from the center of something
▪ The arrow hit the outermost ring on the target. ▪ the outermost planet in our solar system — opposite innermost
▪ The arrow hit the outermost ring on the target. ▪ the outermost planet in our solar system — opposite innermost
