WILL O' THE WISP


Meaning of WILL O' THE WISP in English

ˌwill o' the ˈwisp BrE AmE noun [countable usually singular]

1 . someone that you can never completely depend on, or something that you can never achieve

2 . a blue moving light caused by natural gases, that can be seen over wet ground at night

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.