Scornful laughter or ridicule; derision. Can be used as a noun or as a verb with 'suru' (to ridicule).
彼の発言は観客の嘲笑を買った。
His remarks drew the audience's derision.
ネット上で嘲笑を浴びる経験は精神的に辛い。
Being ridiculed online is mentally painful.
その態度は嘲笑に値するものではない。
That attitude does not deserve mockery.