TOILSOMELY
Scrabble letter values: T1O1I1L1S1O1M3E1L1Y4 = 15
Definition
TOILSOMELY is the adverb form of TOILSOME.
adjective TOILSOME: characterized by effort to the point of exhaustion.
Synonyms of TOILSOME: arduous, backbreaking, grueling, gruelling, hard, heavy, laborious, operose