1. an idea, feeling, or opinion about someone or something
2. an effect produced on someone’s mind or feelings
3. a mark or indentation made by pressing something into a surface

Examples

• She made a good impression on her new boss.
• The movie left a lasting impression on the audience.
• The coin left an impression in the soft clay.
• He did a funny impression of the president.
• I have the impression that we’ve met before.
• First impressions are often important in job interviews.
• The tire tracks made deep impressions in the mud.