一笑に付す (translations)→ dismiss say scornful
可笑しい (translations)→ amused morbid strange
苦笑 (translations)→ consternation sourly
苦笑する (translations)→ grin smile
笑い (translations)→ giggle grim laughter yuk
笑いかける (translations)→ beam smirk
笑いころげる (translations)→ collapse howl
笑いとばす (translations)→ deride pooh-pooh
笑い声を立てる (translations)→ chuckle
笑う (translations)→ joke laughingly split tease
吹きだす (translations)→ emit sprout