太ふと文も字じMeanings1nounboldface; bold type; thick charactersRefers to characters printed in a thick, heavy style, often for emphasis. Compare with 太字 (ふとじ), which is more common.See also: 太字重じゅう要ような部ぶ分ぶんは太ふと文も字じで印いん刷さつされている。The important parts are printed in bold.