Definition of unreplied to in English:
unreplied to
Pronunciation /(ˌ)ʌnrɪˈplʌɪd tuː/
adjective
Not given a reply; unanswered. Chiefly in predicative use.
Origin
Early 18th century; earliest use found in William Oldisworth (1680–1734), writer and translator. From un- + reply + -ed + to.