- Bengali Word উড়ো, উড়াEnglish definition(adjective) (1) what flies/is capable of flying/is in the course of flight: উড়োজাহাজ, aeroplane; airship. (2) not reliable; uncertain; unconfirmed: উড়োখবর, unfounded report; unconfirmed news; rumour; hearsay. উড়োচিঠি letter without a name or with a name not known to anyone; an anonymous letter.