unidentified flying object Definition

ufo, bogy, flying saucer, bogey, ufology, unidentified flying object, deal, uso, flight, kite, gyropigeon, whistle, airspeed, machine, saucer, whiz, launder, hover, vague, exploration, maybe, onymous, airs, balance, balancing, name, plan, probe, probing, stop, stops, vagrant, planned, planning, plans, quarter, spike, spikes, spiking, airlift, defeat, defeated, pseudonymous, woolly, slot, alien, jigger, screen, ace, fish, ground, grounded, pan, set, bat, cloud, clouded, dragon, pass, rumor, area, aspect, aut, axis, bear, blank, certain, condition, conditions, destination, dust, exhibit, feel, feels, figure, foul, geel, general, hide, hole, kook, man, masking, mass, massing, matter, neutral, one, original, other, out, real, search, side, size, stuff, sublime, such, sucker, tenor,