contemptuous ridicule or mockery.
"my stories were greeted with derision and disbelief"
a period of ten days [measure used in japan] (according to most kanji programs I've been learning with :|)
unnecessary, especially through being more than enough.
"the purchaser should avoid asking for superfluous information"
a quick-growing East Asian climbing plant with reddish-purple flowers, used as a fodder crop and for erosion control.