1. a vague idea in which some confidence is placed

- his impression of her was favorable

Similar word(s): belief, feeling, notion, opinion

Definition categories: thought, idea

2. an outward appearance

- he made a good impression

- I wanted to create an impression of success

Similar word(s): effect

Definition categories: attribute, appearance

3. a clear and telling mental image

- the events left a permanent impression in his mind

Similar word(s): picture

Definition categories: thought, image

4. a concavity in a surface produced by pressing

- he left the impression of his fingers in the soft mud

Similar word(s): depression, imprint

Definition categories: shape, concavity, incurvation, incurvature

5. a symbol that is the result of printing or engraving

Similar word(s): stamp

Definition categories: communication, symbol

6. all the copies of a work printed at one time

Similar word(s): printing

Definition categories: communication, publication

7. (dentistry) an imprint of the teeth and gums in wax or plaster

- the dentist took an impression for use in preparing an inlay

Definition categories: man–made, imprint

8. an impressionistic portrayal of a person

- he did a funny impression of a politician

Definition categories: act, characterization, enactment, personation, portrayal

9. the act of pressing one thing on or into the surface of another

- he watched the impression of the seal on the hot wax

Definition categories: act, press, pressing, pressure

Sentences with impression as a noun:

- His head made an impression on the pillow.

- What is your impression of Beatles' music?

- I have the impression that he's already left for Paris.