UFO
noun/ˌjuː ef ˈəʊ/, /ˈjuːfəʊ/
/ˌjuː ef ˈəʊ/, /ˈjuːfəʊ/
(also ufo)
(plural UFOs, ufos)
- a strange object that some people claim to have seen in the sky and believe is a spacecraft from another planet (the abbreviation for ‘unidentified flying object’) compare flying saucerTopics Spacec1Oxford Collocations DictionaryUFO is used before these nouns:
- sighting
Word Origin1950s: acronym from unidentified flying object.Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
UFO