1. 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. 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"