18/5/18 The Meaning of Hoax

It is a countable noun.
A hoax is a trick in which someone tells people a lie, for example that there is a bomb somewhere when there is not, or that a picture is genuine when it is not.

Examples:
A series of bomb hoaxes has disrupted Christmas shopping in the city centre.
He denied making the hoax call but was convicted after a short trial.
Synonyms: trick, joke, fraud, con

[informal]