de.ri.so.ryadj.(形容词)Expressing derision; derisive.(因无用、无效或数目不足)受人嘲笑的:表示为嘲笑的;嘲弄的Laughable; ridiculous:可笑的;滑稽的:例句:a contribution so small as to be derisory.贡献如此之小以致受人嘲笑