wraithPronunciation: /reɪθ/Definition of wraith noun a ghost or ghostlike image of someone, especially one seen shortly before or after their death. used in reference to a pale, thin, or insubstantial person or thing:heart attacks had reduced his mother to a wraith literary a wisp or faint trace of something:a sea breeze was sending a grey wraith of smoke up the slopesDerivatives wraithlike adjective Origin: early 16th century (originally Scots): of unknown originwraith in other Oxford dictionaries Definition of wraith in the US English dictionary