What does Counterfeit mean?

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From our dictionary:

coun•ter•feit

Pronunciation: (koun'tur-fit"), [key]
adj.
1. made in imitation so as to be passed off fraudulently or deceptively as genuine; not genuine; forged: counterfeit dollar bills.
2. pretended; unreal: counterfeit grief.

n.
1. an imitation intended to be passed off fraudulently or deceptively as genuine; forgery.
2. Archaic.a copy.
3. Archaic.a close likeness; portrait.
4. Obs.impostor; pretender.

v.t.
1. to make a counterfeit of; imitate fraudulently; forge.
2. to resemble.
3. to simulate.

v.i.
1. to make counterfeits, as of money.
2. to feign; dissemble.