knock-on effect knock-on • knockout · · · Info · Definitions · Characters · · knock-on effect · · Text Common · · Latin · · Scripts 15 · · Length 4 · · Syllables Definitions · · · (noun) a secondary or incidental effect. Synonyms: knock-on effect. · · Noun Definition 1 Characters · · space U+0020 - hyphen-minus U+002D c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074