From Longman Dictionary of Contemporary Englishcheck out phrasal verb1 make sure a) check something ↔ outCHECK/MAKE SURE to make sure that something is actually true, correct, or acceptable SYN investigate I made a phone call to check out his address. with Check it out with your boss before you do anything. b) ACCEPTif information checks out, it is proved to be true, correct, or acceptable His credit record checks out.2 look at somebody/something check somebody/something ↔ outLOOK AT to look at someone or something because they are interesting or attractive If I hear about a website that sounds interesting, I check it out. Hey, check out that car!3 get information check somebody ↔ out informalFIND OUT to get information about someone, especially to find out if they are suitable for something I’ll check them out as potential employers.4 hotelDLT to leave a hotel after paying the bill We checked out at noon. → checkout5 books check something ↔ out American EnglishBORROW to borrow a book from a library The library allows you to check out six books at a time. → check→ See Verb table
Examples from the Corpus
check out• What he said didn't seem quite right, so I decided to check it out.• Everything she says checks out on our computer files.• If his alibi doesn't check out the police are going to charge him with murder.• We got in touch with the bank to check out the suspect's story.check with• After checking it out with her church leader, she took a boat to Hong Kong!From Longman Business Dictionarycheck out phrasal verb1[transitive] check something ↔ out to make sure that something is true, correct, or safeI checked out the financial aspects of buying into the company.2[intransitive] if information or a document checks out, it proves to be correct or trueIf your credit limit checks out, you can make a purchase today.3[intransitive] to leave a hotel after paying the billYou’ve got to check out by 12:00. → see also checkout → check→ See Verb table 