Tiresome (6)
'tiresome' is the definition.
(synonyms)
This is all the clue.
(Other definitions for tedious that I've seen before include "Dull as ditchwater" , "not worth listening to?" , "Outside (anag.)" , "Long, slow, dull" , "Tiresome, boring" .)
'tiresome' is the definition.
(trying can mean annoying or tiresome)
This is all the clue.
(Other definitions for trying that I've seen before include "responsibility of the first Baron Jeffreys of Wem" , "Essaying" , "Attempting or irritating" , "Doing one's best - annoying!" , "Attempting or stretching patience to the limit" .)