A more thorough explanation:

Definition: discreet (di-skreet), adj. Exercising discretion; prudent; judicious; discerning.

• She was very discreet about her personal life and never shared too much information with anyone.
• The lawyer was discreet in his questioning, trying not to offend the witness.
• He made a discreet exit from the party, not wanting to draw attention to himself.

These examples illustrate the definition of discreet by showing how someone is being careful and thoughtful in their actions or words. In the first example, the person is being discreet by not sharing too much personal information. In the second example, the lawyer is being discreet by not asking questions that could upset the witness. In the third example, the person is being discreet by leaving the party quietly and not drawing attention to themselves. All of these actions show discretion and thoughtfulness.