Would you consider it cheating if your partner is not telling someone they're taken?

Anonymous

And they're actively flirting, touching the other person? Insinuating they want to have sex with them etc?

Updates
1 y
The other person also seems interested and is expressing interest back and yet they're still not telling them they're taken?
Would you consider it cheating if your partner is not telling someone they're taken?
23 Opinion