нареч. without leaving a trace, completely, utterly
бесследн|о - without (leaving) a trace
он исчез ~ he disappeared completely
~ый leaving no trace после сущ.
~ое исчезновение complete disappearance
нареч. without leaving a trace, completely, utterly
бесследн|о - without (leaving) a trace
он исчез ~ he disappeared completely
~ый leaving no trace после сущ.
~ое исчезновение complete disappearance
Большой Русско-Английский словарь. New big Russian-English dictionary. 2012