IPA: /ˈwɔːtərɪəst/
KK: /ˈwɔːtəriɪst/
Having the most water or being the most wet; very moist or liquid in nature.
The wateriest part of the sponge soaked up all the liquid.
Comparative: wetter
Superlative: wateriest
Wateriest → It is formed from "water" (from Old English *wæter*, meaning liquid that falls as rain or flows in rivers) and "-iest" (a superlative suffix indicating the highest degree). The word "wateriest" means having the most water or being the most watery.
Think of the Old English word for liquid, 'wæter', and remember that 'wateriest' describes something that has the most of that liquid.