A non-genuine article; a fake.

One who counterfeits; a counterfeiter.

That which resembles another thing; a likeness; a portrait; a counterpart.

To falsely produce what appears to be official or valid; to produce a forged copy of.

“to counterfeit the signature of another, coins, notes, etc.”

To produce a faithful copy of.

To feign; to mimic.

“to counterfeit the voice of another person”

False, especially of money; intended to deceive or carry appearance of being genuine.

“This counterfeit watch looks like the real thing, but it broke a week after I bought it.”

Inauthentic.

“counterfeit sympathy”

Assuming the appearance of something; deceitful; hypocritical.