UNFURL Meaning of UNFURL in English un ‧ furl /ʌnˈfɜːl $ -ɜːrl/ BrE AmE verb [intransitive and transitive] if a flag, sail etc unfurls, or if someone unfurls it, it unrolls and opens Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012