From Longman Dictionary of Contemporary Englishpurloinpur‧loin /pɜːˈlɔɪn, ˈpɜːlɔɪn $ -ɜːr-/ verb [transitive] formalSCC to obtain something without permission – often used humorously He must have purloined a key from somewhere.→ See Verb table
Examples from the Corpus
purloin• Thieves purloined about $4 million in jewels from the mansion.Origin purloin (1300-1400) Anglo-French purloigner “to put away, make useless”, from Old French porloigner “to put off, delay”, from loing “at a distance” 