lighten Antonyms

weigh down darken heighten shadowing shake tint torment torture trouble unnerve unsettle upset verdigris vex shade sadden ruddle heliotrope increase inumbrate murk nubilate obumbrate oppress overburden overcloud paint palette plage redden worry bring down cloud over overextend play out turps weigh on grow dark become angry suddenly make unhappy break someone's spirit bring tears to someone's eyes make dim be visible only darkly mist over toner suntan smog beef up color in