topmost UK /tɒpˈməʊst/US /tɑpˈmoʊst/ adjective2 •At or nearest to the top; uppermost; being the very highest.While he worked to ply fingers back apart more than not, Kaiselan practised his crouch exploring the outpost's more topmost levels. — 2015 •(figurative) Of greatest status, esteem, or prestige; best.
