Definition of Ufo in English :

Define Ufo in English

Ufo meaning in English

Meaning of Ufo in English

Pronunciation of Ufo in English

Ufo pronunciation in English

Pronounce Ufo in English


see synonyms of ufo


1. flying saucer, ufo, unidentified flying object

an (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins

WordNet Lexical Database for English. Princeton University. 2010.


see synonyms of ufo
abbreviation for
unidentified flying object

Collins English Dictionary. Copyright © HarperCollins Publishers


see synonyms of ufo
nounWord forms: plural UFOs or UFO's
any of a number of unidentified objects or phenomena frequently reported, esp. since 1947, to have been observed or tracked in the sky and variously explained as being atmospheric phenomena, hallucinations, misperceptions of actual objects, alien spacecraft, etc.
a spacecraft from another planet; flying saucer

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.


see synonyms of ufo
An unidentified flying object.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.