Duplicity is the third episode of the second season of the WB original series, Smallville. The episode was written by Todd Slavkin and Darren Swimmer and was directed by Steve Miner. It originally aired on October 8, 2002.

For the episode of Smallville, see Duplicity (Smallville episode).

Doubleness; a twofold state.

Doubleness of heart or speech; insincerity; a sustained form of deception which consists in entertaining or pretending to entertain one set of feelings, and acting as if influenced by another; bad faith.

acting in bad faith; deception by pretending to entertain one set of intentions while acting under the influence of another

duplicity is an incremental backup tool that backs up files and directories by building tar-format volumes and uploading them to a file server. By default, these volumes will be GPG encrypted, although simple gzipping is also supported. It supports local, FTP, and ssh/scp back-ends. Because it uses librsync, archives only record the parts of files that have changed since the last backup.

In indictments, the union of two incompatible offenses.

a fraudulent or duplicitous representation

The use of two or more distinct allegations or answers, where one is sufficient.