IPA: /ˈweɪtiər/
KK: /ˈweɪtiər/
Having more weight or importance than something else.
The weightier issues of the debate were discussed last.
Weightier → It is formed from "weight" (from Old English *wiht*, meaning mass or heaviness) and "-ier" (a comparative suffix meaning more). The word "weightier" means having more weight or being heavier than something else.
Think of 'weight' as mass or heaviness, and remember that 'weightier' means more heavy than something else.
No commonly confused words.