rub al-khali rub-a-dub • rub along · · · Info · Definitions · Characters · · rub al-khali · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) a desert in southern Saudi Arabia. Synonyms: Rub al-Khali, Ar Rimsal, Dahna, Great Sandy Desert. · · Noun Definition 1 Characters · · space U+0020 - hyphen-minus U+002D a latin small letter a U+0061 b latin small letter b U+0062 h latin small letter h U+0068 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C r latin small letter r U+0072 u latin small letter u U+0075