1. Moving upward or along at a considerable height
   "some highflying fighter pilot fired a cannon shell into it" 
2. Extravagant or ambitious or extreme in aims or opinions
   "they did not understand what had happened at the once highflying company"

See also: ascending, unrestrained

• disenfranchised
• disenfranchisement
• disengage
• disengagement
• disenroll
• disentangle
• disentangled
• disentanglement
• disentangler
• disentitle
• disequilibrium
• disestablish
• disestablishment
• disesteem
• disfavor
• disfavour
• disfiguration
• disfigure
• disfigured
• disfigurement
• disfluency
• disforest
• disforestation
• disfranchise
• disfranchised