—n. 1. something that is not what it purports to be; a spurious imitation; fraud or hoax.
2. a person who shams; shammer.
3. a cover or the like for giving a thing a different outward appearance: a pillow sham.
—adj. 1. pretended; counterfeit; feigned: sham attacks; a sham Gothic façade. 2. designed, made, or used as a sham.
—v.t. 1. to produce an imitation of.
2. to assume the appearance of; pretend to have: to sham illness.