1599 A. M. tr. O. Gaebelkhover 187/1 Decocte it agayne till such time as it wexeth rubicundlye colourede.
1877 A. Z. Gray (1878) viii. 74 We were well on our way before ‘old Sol’ condescended to rise and beam rubicundly on the sleeping snows of Popocatepetl.
1997 (Nexis) 16 Dec. 17 All was rubicundly jolly until..Santa's drunken helper..lunged forward and struck his foe.