Unforgettable。Unforgettablemeansimpossibletoforgetortooremarkabletobeforgotten。Itisoftenusedtodescribesomethingparticularlyspecialormeaningfulthatyouhaveexperienced，suchasanamazingadventure，alife-alteringmomentoranunprecedentedevent。Itisalsousedtoexpresstheintensefeelingofadorationandadmirationforsomeonewhohasmadeanunforgettableimpressiononyou。Forexample，Thelookonherfacewhenshesawhersurprisebirthdaypartywastrulyunforgettable。Thetermcanalsobeusedwhentalkingaboutaperson’slegacyindifferentfields。Forexample，amusicianmightcreateanunforgettablelegacybyinnovatinganewsoundorstylethatbecomeshighlyinfluential。