The Clue
Project Blue Book subj. (3 letter answer)
The Answer
UFO
Tags
Notes
The answer UFO is seen frequently, appearing about once every 120 puzzles.
Related Clues
ET carrier
Aerial saucer
Controversial sighting
Debatable sighting
ET's craft
E.T.'s vehicle
Flying saucer
Martian rover?
Obj. in the news
Radar anomaly
Roswell sighting
Saucer, maybe
Saucer in the sky
Sky enigma
Sky light?
Sky sighting?
Spooky sighting
Tabloid subj.
Tabloid topic
Transport for Martians
What an ET pilots
Eerie sighting, for short
One encountered in a close encounter
"Independence Day" vehicle
Martian's craft, for short
Mysterious obj. in the skies
Oft-reported phenomenon
Sci-fi saucer
Sci-fi sight
Sci-fi sighting
Aerial anomaly
One side in a close encounter
Sky sighting: Abbr.
Sky-sighting report
Supermarket tabloid subject
Tabloid photo subject
X-File subj.
"X-files" phenomenon
Amateur film subject, maybe
Area 51 craft, supposedly
One might be involved in a hoax
Object of some amateur films
Out-of-this-world object
Sci-fi sky sighting
Subj. of some 911 calls
Subj. of some amateur photography
Subject of a '77 Spielberg film
Subject of some amateur videos
Definition
UFO as a noun:
1. (unidentified flying object, UFO, flying saucer) = an (apparently) flying object whose nature is unknown; especially those considered to have extraterrestrial origins