Titanean /taɪˈteɪniən/adjective 2noun 1forms 1 adjective2 •Of the Titans, literally or figuratively.For Lightning she'd have strook: or by some Spell / The bold Titanean Brethren rais'd from Hell — 1702 •Of Titan, the largest moon of Saturn.for Titan the shallow-atmosphere approximation is a much poorer one (8% of the titanean radius). — 2003 noun1 •An inhabitant of Titan (the Saturnian moon) formsTitaneans