indistinct

Từ điển Oxford Advanced Learner 8th

in·dis·tinct AW BrE [ˌɪndɪˈstɪŋkt] NAmE [ˌɪndɪˈstɪŋkt] adjective
that cannot be seen, heard or remembered clearly
Syn: ↑vague, Syn: ↑hazy
•an indistinct figure in the distance
•His memory of the incident was somewhat indistinct.
Derived Word: ↑indistinctly

Word Origin:
[indistinct indistinctly] mid 16th cent.: from Latin indistinctus, from in- ‘not’ + distinctus ‘separated, distinguished’ (from the verb distinguere, from dis- ‘apart’ + stinguere ‘put out’).