UFO

Pronunciation

• (UK) IPA ^(key): /ˌjuːɛfˈəʊ/ or /ˈjuːfəʊ̯/
• (US) IPA ^(key): /ˌjuˌɛfˈoʊ/ or /ˈjufoʊ̯/ or /ˈʌfoʊ̯/

Abbreviation

Abbreviation UFO

a UFO

1. UFO is an abbreviation for unidentified flying object, any object flying in the sky which cannot be identified by the person who sees it.