Extemporaneous Meaning in Bengali

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

Defenition of word Extemporaneous

• spoken or done without preparation.

Example

an extemporaneous speech

Other Meaning of Extemporaneous

• ADJECTIVE

  অনিয়মিত occasional irregular episodic fitful rambling extemporaneous
  দৈবাৎ episodic fortuitous extemporaneous occasional extemporary episodical
  অচিন্তিতপূর্ব extemporaneous unexpected unforeseen extemporary unpremeditated unthought-of
  পূর্বপ্রস্তুতিহীন extemporaneous extemporary
  আপতিক accidental adventitious occasional episodic fortuitous extemporaneous
  আকস্মিক sudden abrupt casual snappy accidental extemporaneous
  তত্ক্ষণিক extemporaneous instant extemporary