Adverb
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"