Baldfaced (adjective)

Blatantly bold or impudent.

Origin:

Early 17th century: from bald + face.

Examples:

1. The baldfaced lie was quickly exposed by the evidence.
2. The thief had the baldfaced audacity to steal right in front of the store owner.
3. The baldfaced arrogance of the politician was off-putting to many voters.
4. Her baldfaced refusal to apologize for her actions was surprising.
5. The salesman's baldfaced attempt to sell a faulty product was quickly rejected by the customer.