What is the meaning of Dishonest?

Not honest.

Interfering with honesty.

Dishonourable; shameful; indecent; unchaste; lewd.

Dishonoured; disgraced; disfigured.

Jespersen, Otto (1909) A Modern English Grammar on Historical Principles (Sammlung germanischer Elementar- und Handbücher; 9), volumes I: Sounds and Spellings, London: George Allen & Unwin, published 1961, § 6.64, page 203.

Alternative form of dishoneste (disgraceful)

Source: wiktionary.org