train of thought train mileage • train oil · · · Info · Definitions · Synonyms · Characters · · train of thought · · Text Common · · Latin · · Scripts 16 · · Length 3 · · Syllables Definitions · · · (noun) the connections that link the various parts of an event or argument together. Synonyms: train of thought, thread. Examples: "I couldn't follow his train of thought." "He lost the thread of his argument." · · Noun Definition 1 Synonyms · · · thread · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 f latin small letter f U+0066 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075