sham

Short definition from Wiktionary

Adjective

1. 1
   Intended to deceive; false.
2. 2
   Counterfeit; unreal.

Noun

1. 1
   A fake; an imitation that purports to be genuine.
2. 2
   Trickery, hoaxing.
3. 3
   A false front, or removable ornamental covering.
4. 4
   A decorative cover for a pillow.
5. 5
   Clipping of champagne.

Verb

1. 1
   To deceive, cheat, lie.
2. 2
   To obtrude by fraud or imposition.
3. 3
   To assume the manner and character of; to imitate; to ape; to feign.

Proper noun

1. 1
   A surname.