#1 moil v. [labor, labour, toil, fag, travail, grind, drudge, dig] work hard; "She was digging away at her math homework"; "Lexicographers drudge all day long". wn
#2 moil v. [churn, boil, roil] be agitated; "the sea was churning in the storm". wn
#3 moil v. moisten or soil; "Her tears moiled the letter". wn
vizzz