# UFO

Pronunciation: say "yoo-ef-OH" US /ˌjuˌɛfˈoʊ/, UK /ˌjuːɛfˈəʊ/

## Noun

1. Initialism of unidentified flying object. — Initialism of unidentified flying object; (loosely) an alien spacecraft.
   - Simple: Initialism of unidentified flying object. Often used to mean a possible alien spacecraft.
   - _Several pilots reported a fast-moving UFO near the airfield that evening._
   - _Reports of UFOs surged across the region during that summer._
2. A craft or needlework project, especially in knitting, that has been started but not yet completed. *(colloquial)*
   - Simple: A craft project, such as knitting or sewing, that someone started but has not finished.
   - _Every serious knitter seems to keep a basket of UFOs waiting for attention._
   - _She finally turned that neglected UFO into a finished baby blanket._
3. Initialism of ultrared flattened object. — Initialism of ultrared flattened object.
   - Simple: Initialism of ultrared flattened object. A faint, very red object found far out in deep space.
   - _The catalog listed dozens of UFOs detected in the infrared survey._
   - _Each UFO appeared only in the longest-wavelength images._

Source: DictionaryAI, https://dictionaryai.com/define/ufo (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).