The Clue
Certain saucers (4 letter answer)
The Answer
UFOS
Tags
Notes
The answer UFOS is seen frequently, appearing about once every 190 puzzles.
Related Clues
E.T. carriers
E.T. vehicles
Alien craft
Celestial phenomena
Controversial saucers
Eerie sightings
ETs' ships
ET's transports
Fantastic craft
Flying saucers
Govt. secrets?
Night sightings
Roswell sightings
Saucers of a kind
Saucers, maybe
Saucers of a sort
Sky lights?
Sky mysteries
Sky sightings
Skyway saucers
Strange saucers
Strange sightings
Tabloid grist
Tabloid topics
Abduction sites, supposedly
Aliens' craft, for short
Astounding Stories subjects
ETs pilot them
"Independence Day" fleet
Possible sky sightings
Potential hoax subjects
Sci-fi sightings
Strange sights in the skies
"The X-Files" fodder
"X-Files" topics
Abductors' craft, some say
Area 51 holdings, supposedly
Project Blue Book subject
Sightings the U.S.A.F. may investigate
Some streaking lights, briefly
Subjects of some 911 calls
They're encountered in "close encounters"
They travel very long distances
They're involved in some reported abductions
They're seen but not recognized
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