Use 'titanic' to emphasize the extreme scale or importance of something; it magnifies the concept. He made a titanic effort to finish the project on time.
Pro Tip 2/3
Not Just Physical
'Titanic' can describe intangible concepts, like efforts or events, not just physical size. They faced a titanic challenge securing funds for the charity.
Pro Tip 3/3
Figurative Use
Use 'titanic' figuratively to add drama or intensity, even when it's not literally huge. The debate sparked a titanic clash of opinions online.