Just a couple of added comments. 'Handsome' is an uncommon adjective to use for a woman. More normal would be 'beautiful'. 'Laborious' is not correct here. A task is laborious, a person is something like 'hard-working' or 'industrious'. These last two words are seldom seen as negative.
Other words that can have both a positive and negative sense? How about quiet, talkative ,c