tax boost tax book • tax-born · · · Info · Definitions · Synonyms · Characters · · tax boost · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) the amount by which taxes are increased. Synonyms: tax-increase, tax boost, tax hike. Example: "A tax increase of 15 percent." · · Noun Definition 1 Synonyms · · · tax-increase · · Synonym 1 tax hike · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 o latin small letter o U+006F s latin small letter s U+0073 t latin small letter t U+0074 x latin small letter x U+0078