knock back knock against • knock cold · · · Info · Definitions · Synonyms · Characters · · knock back · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (verb) cost a certain amount. Synonyms: set back, knock back, put back. Example: "My daughter's wedding set me back $20,000." · · Verb Definition 1 Synonyms · · · set back · · Synonym 1 put back · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 k latin small letter k U+006B n latin small letter n U+006E o latin small letter o U+006F