Antonyms of verb clock_in

1 sense of clock in

Sense 1
clock in, punch in, clock on -- (register one's arrival at work)
       Antonym of clock out (Sense 1)
      => clock out, punch out, clock off -- (register one's departure from work)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb clock_in

1 sense of clock in

Sense 1
clock in, punch in, clock on -- (register one's arrival at work)
       => record, enter, put down -- (make a record of; set down in permanent form)