line of inquiry line of heart • line of latitude · · · Info · Definitions · Synonyms · Characters · · line of inquiry · · Text Common · · Latin · · Scripts 15 · · Length 6 · · Syllables Definitions · · · (noun) an ordering of questions so as to develop a particular argument. Synonyms: line of inquiry, line of questioning. · · Noun Definition 1 Synonyms · · · line of questioning · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F q latin small letter q U+0071 r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079