that cannot be seen, heard or remembered clearly 模糊不清的；不清楚的 an indistinct figure in the distance 远处一个朦胧的身影 His memory of the incident was somewhat indistinct. 他对那次事件的记忆有些模糊了。
Oxford Collocations DictionaryIndistinct is used with these nouns:- shape
Word Originmid 16th cent.: from Latin indistinctus, from in- ‘not’ + distinctus ‘separated, distinguished’ (from the verb distinguere, from dis- ‘apart’ + stinguere ‘put out’).