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”

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”