Terribly serious (4)
I believe the answer is:
dire
(Other definitions for dire that I've seen before include "Cataclysmic" , "Catastrophic" , "Desperate; dreadful" , "Extremely serious or urgent" , "Ride off in dreadful way" .)
I believe the answer is:
dire
(Other definitions for dire that I've seen before include "Cataclysmic" , "Catastrophic" , "Desperate; dreadful" , "Extremely serious or urgent" , "Ride off in dreadful way" .)