Opinion
Part of speech: noun
Definition: A thought that a person has formed about a topic or issue.
Part of speech: verb
Definition: To have or express as an opinion.
Example sentence: People do not seem to realize that their opinion of the world is also a confession of character.
Impression
Part of speech: noun
Definition: The indentation or depression made by the pressure of one object on or into another.The overall effect of something, e.g., on a person.An impersonation.An outward appearanceAn online advertising performance metric representing an instance where an ad is shown once
Example sentence: What we learn only through the ears makes less impression upon our minds than what is presented to the trustworthy eye.