Synonym: dupery, fraud, fraudulence, humbug, play a joke on, pull someone's leg, put-on. Meaning: [həʊks] 
n. something intended to deceive; deliberate trickery intended to gain an advantage. v. subject to a playful hoax or joke.
n. something intended to deceive; deliberate trickery intended to gain an advantage. v. subject to a playful hoax or joke. 
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61 I hear the news of his arrival, but it turned out to be a mere hoax.
62 But sending the letters is a serious crime, even if they a hoax FBIa statement.
63 Heavier-than-air flying machines are impossible. X-rays will prove to be a hoax.
64 "Radio has no future. Heavier-than-air flying machines are impossible. X-rays will prove to be a hoax." — William Thomson, Lord Kelvin, British scientist,(http://sentencedict.com/hoax.html) 1899.
65 The Saudi authorities say's all a hoax and they've launched a police investigation.
66 In 2004 Crichton published State of Fear, an environmental thriller portraying global warming as a scientific hoax used to justify acts of eco-terrorism.
67 Graeber chalked the incident up as a hoax, but was amazed to learn that other UFO groups, ones he had considered more serious , were still taking the Carbondale case seriously.
68 Students specialize in a particular type of practical joke: the hoax.
69 Dr. Fassbender and Operation Looking Glass are certainly no hoax.
70 The hoax was uncovered last week by the Federal Security Service ( FSB ).
71 It was a hoax, as I was soon to learn.
72 The one-eyed , noseless kitten that inspired an international debate last year over whether it was a hoax is coming to a new museum of oddities in central New York.