noun, noun or participle which takes 'suru', transitive verb
scornful laughter; ridicule; derision; sneer
Expresses laughing at someone or something with contempt or mockery. Can be used as a noun or with する as a transitive verb.
彼の提案は嘲笑の的になった。
His proposal became an object of ridicule.
It's not good to sneer at people.