1. Naughtily or annoyingly playful
   "teasing and worrying with impish laughter"
   - arch, implike, mischievous, pixilated, prankish, puckish, wicked, pixillated

See also: impishness, playful

• mountain ebony
• mountain everlasting
• mountain fern
• mountain fetterbush
• mountain fever
• mountain four o'clock
• mountain goat
• mountain gorilla
• mountain grape
• mountain heath
• mountain hemlock
• mountain hollyhock
• mountain lady's slipper
• mountain laurel
• mountain lily
• mountain lion
• mountain male fern
• mountain man
• mountain maple
• mountain mint
• mountain nyala
• mountain oak
• mountain paca
• mountain parsley fern
• mountain partridge