IPA: //ˈsnɪərfəl//
KK: /ˈsnɪr.fəl/
Showing or expressing a mocking or contemptuous smile or remark.
His sneerful attitude made it hard for anyone to take him seriously.
Comparative: more sneerful
Superlative: most sneerful
**Sneerful** → It is formed from "sneer" (from Middle English *sneren*, meaning to smile in a scornful or mocking way) and "-ful" (meaning full of). The word "sneerful" means full of sneering or scornful expressions.
Think of someone who is 'full of' ('-ful') scornful smiles ('sneer') — that's what sneerful means.