(mostly, India) Most senior.
The Senate does not make a judgment that reflects on the professionalism, the character, and behavior of the Navy's seniormost officer, and that, too, is not a small matter.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.