not influenced by considerations of personal advantage 无私心的 a banker is under an obligation to give disinterested advice. 银行家有义务给出公正的建议。
having or feeling no interest in something 没兴趣的 her father was so disinterested in her progress that he only visited the school once. 她父亲对她的进步毫不关心,只到学校去过一次。
early 17th cent.: past participle of the rare verb disinterest 'rid of interest or concern', from dis- (expressing removal) +the verb interest
用法
Nowhere are the battle lines more deeply drawn in usage questions than over the difference between disinterested and uninterested. According to traditional guidelines, disinterested should never be used to mean ‘not interested’ (i.e. it is not a synonym for uninterested) but only to mean ‘impartial’, as in the judgements of disinterested outsiders are likely to be more usefulIronically, the earliest recorded sense of disinterested is for the disputed sense. Today, the ‘incorrect’ use of disinterested is widespread: around 20 per cent of citations on the British National Corpus for disinterested are for this sense