Antonyms of adv decently

1 of 2 senses of decently

Sense 1
decently -- (in a decent manner; "they don't know how to dress decently")
       Antonym of indecently (Sense 1)
      => indecently -- (in an indecent manner; "she was rather indecently dressed")

Synonyms of adv decently

2 senses of decently

Sense 1
decently -- (in a decent manner; "they don't know how to dress decently")

Sense 2
properly, decently, decent, in good order, right, the right way -- (in the right manner; "please do your job properly!"; "can't you carry me decent?")