1. Of or relating to the stratosphere 
2. At a very high level, with great success
   "his career went stratospheric"

Encyclopedia: Stratospheric

• durable press
• durables
• durably
• Durabolin
• dural
• Duralumin
• duramen
• durance
• Durango
• Durant
• Durante
• duration
• durative
• durative aspect
• Durazzo
• Durban
• durbar
• Durer
• duress
• Durex
• Durga
• Durham
• durian
• durian tree
• during