Synonyms and Antonyms for check-in

1. check in (v.)

announce one's arrival, e.g. at hotels or airports

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2. check-in (n.)

the act of reporting your presence (as at an airport or a hotel)

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5. check (v.)

make an examination or investigation

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8. check (n.)

an appraisal of the state of affairs

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9. check (n.)

the bill in a restaurant

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10. in (adv.)

to or toward the inside of

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