noun / adjective / verb
sham
SHAM/ʃæm/
Something falsely presented as genuine.
The gold ingot is a sham concealing an ordinary red brick.

Etymology
Originally a trick or hoax, a sham came to mean something given a deceptive outward appearance. Its origin is uncertain; a connection with a dialectal form of shame is only a possibility.
In context
What a sham! What kind of a show are you guys putting on here today?
More examples
- His apology was a sham; he felt no regret.
- The sham election offers voters no real choice.
- She is shamming illness to avoid the meeting.
Forms
sham · shams · shammed · shamming