Adverbial plainly has 2 senses
  1. obviously, evidently, manifestly, patently, apparently, plainly, plain - unmistakably (`plain' is often used informally for `plainly'); "the answer is obviously wrong"; "she was in bed and evidently in great pain"; "he was manifestly too important to leave off the guest list"; "it is all patently nonsense"; "she has apparently been living here for some time"; "I thought he owned the property, but apparently not"; "You are plainly wrong"; "he is plain stubborn"
    Derived from adjective plain1
  2. plainly, simply - in a simple manner; without extravagance or embellishment; "she was dressed plainly"; "they lived very simply"
    Derived from adjective unpretentious1
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