Adverbial tardily has 2 senses
  1. slowly, slow, easy, tardily - without speed (`slow' is sometimes used informally for `slowly'); "he spoke slowly"; "go easy here--the road is slippery"; "glaciers move tardily"; "please go slow so I can see the sights"
  2. late, belatedly, tardily - later than usual or than expected; "the train arrived late"; "we awoke late"; "the children came late to school"; "notice came so tardily that we almost missed the deadline"; "I belatedly wished her a happy birthday"
    Derived from adjective tardy1
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