tardily in WordNet English dictionary

1. 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"
   late  belatedly  tardily  late  belatedly  tardily 
   
2. 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"
   slowly  slow  easy  tardily  slowly  slow  easy  tardily