Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun check-in
1 sense of check-in
Sense 1
check-in -- (the act of reporting your presence (as at an airport or a hotel))
=> arrival -- (the act of arriving at a certain place; "they awaited her arrival")
Antonyms of verb check-in
1 sense of check in
Sense 1
check in, sign in -- (announce one's arrival, e.g. at hotels or airports)
Antonym of check out (Sense 2)
=> check out -- (announce one's departure from a hotel)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb check-in
1 sense of check in
Sense 1
check in, sign in -- (announce one's arrival, e.g. at hotels or airports)
=> report -- (announce one's presence; "I report to work every day at 9 o'clock")