Undreamed Meaning in Bengali

What is the meaning of word Undreamed in Bengali/Bangla ?

Meaning of Undreamed in Bangla is : অপরিবর্তিত (O . p o . r i . b o r . t i . t o)

Defenition of word Undreamed

Example

she is now enjoying undreamed-of success

Other Meaning of Undreamed