DictionaryAI

UFO

noun
Sayyoo-ef-OH/ˌjuˌɛfˈoʊ/UK/ˌjuːɛfˈəʊ/

PluralUFOs, ufos

3 meanings of UFO

Practice

  1. 1
    nouninitialism
    Initialism of unidentified flying object. Often used to mean a possible alien spacecraft.

    She swore she saw a UFO hovering above the lake last night.

    The kids drew a UFO with bright green lights on it.

    Note
  2. 2
    nouncolloquialcountable
    A craft project, such as knitting or sewing, that someone started but has not finished.

    Like a drawing you started but left half-colored in a corner.

    Her closet was full of UFOs she planned to finish someday.

    This sweater has been a UFO since last winter.

    Note
  3. 3
    nouninitialism
    Initialism of ultrared flattened object. A faint, very red object found far out in deep space.

    The survey turned up a single UFO at the edge of the image.

    Astronomers study each UFO to learn about faraway galaxies.

    Note

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