adjective
dishonest
dis-AH-nist/dɪsˈɑːnɪst/
Not truthful or trustworthy.
The dishonest player slips an extra card from her sleeve.

Etymology
A possible Medieval Latin or Gallo-Roman compound of “not” and “honorable” underlies the word. The idea of lacking honor included unfairness and willingness to deceive, the sense retained here.
In context
He says that Marios Iliopoulos is a dishonest witness, that he disgracefully threatened members of the courts, and that he's not telling the truth about, you know, what happens to the ship and what happens in the lawsuits.
More examples
- His dishonest answer damaged their trust.
- They uncovered a dishonest scheme.
- She refused to support dishonest practices.
Forms
dishonest
Similar words
- deceitful
- Deceitful emphasizes deliberate misleading.
- untrustworthy
- Untrustworthy need not specifically involve lies.