IPA: /ˈsmɪəriəst/
KK: /ˈsmɪrɪəst/
The most covered in smears or stains; very messy or dirty.
After the paint fight, the walls were the smeariest they had ever been.
Comparative: smeary
Superlative: smeariest
Smeariest → It is formed from "smear" (from Old English *smeoru*, meaning to spread or smear) and the suffix "-iest" (meaning most). The word "smeariest" describes something that is the most smeared or spread out.
Think of the word 'smear' which means to spread something, and remember that 'smeariest' refers to something that is the most spread out or messy.