IPA: /ˈsplæʃ.i.ər/
KK: /ˈsplæʃiər/
More showy or attention-grabbing than something else; characterized by bright colors or extravagant display.
The splashier decorations at the party caught everyone's attention.
Comparative: splashier
Superlative: splashiest
Splashier → It is formed from "splash" (of uncertain origin, likely imitative of the sound made when something hits a liquid) and the suffix "-ier" (meaning more). The word "splashier" means more splashy or producing more splashes than something else.
Think of something that makes more noise or movement in water — that's what splashier means, as it describes something that creates more splashes.