adjective. serving to discourage, dishearten, or intimidate; discouraging; disheartening. Opposite of encouraging.

verb. Present participle of daunt.

adjective. discouraging, inspiring fear

adjective. overwhelming, intimidatingly impressive

adjective. discouraging through fear

"The vote comes as the new National Intelligence estimate shows Iraq is facing what it calls daunting challenges over the next year and a half."

discouraging  

dauntingly  dauntless  

flaunting  haunting  taunting  

discouraging  intimidating  

daunt