This is the 8330th most frequent Russian word.
мираж
Mirage: An optical illusion or unreal vision often caused by atmospheric conditions.
Used to indicate an atmospheric optical phenomenon
На горизонте появился мираж, напоминая озеро.
A mirage appeared on the horizon, resembling a lake.
Used metaphorically to suggest an illusion or unattainable idea
Его надежды на успех оказались всего лишь миражом.
His hopes for success turned out to be just a mirage.
Used as a simile to describe something attractive yet unreachable