deceitful russian

• лжи́вый

  lying false deceitful

• лживо

  falsely, deceitfully, mendaciously, untruthfully

• плутова́вший

  cheating, swindling, deceitful, cunning

• подтасо́вывающий

  rigging, falsifying, manipulating, shuffling (deceitfully)

• провира́ющийся

  lying, fibbing, deceitful

• совра́вший

  lying, deceitful, misleading, who has lied

Examples

• Том неи́скренний.Tom is deceitful.
• Том лжив.Tom is deceitful.
• Я ду́маю, что Том лжив.I think Tom is deceitful.