好こうこうJLPTN2Freq.FrequencyTop 5,000Meanings1prefixgood; favorable; positivePrefix used in compounds to express a positive or favorable quality. Not used as a standalone word.好こう印いん象しょうを与あたえるために、笑え顔がおで挨あい拶さつした。I greeted with a smile to make a good impression.このレストランは好こう評ひょうだ。This restaurant is well-received.