The Collaborative International Dictionary of English v.0.48:
Troublous \Trou"blous\, a. Full of trouble; causing trouble. "In doubtful time of troublous need." --Byron. [1913 Webster] A tall ship tossed in troublous seas. --Spenser. [1913 Webster]WordNet (r) 3.0 (2006):
troublous adj 1: full of trouble; "these are troublous times"