What does "first impression" mean?

The event when one person first encounters another person and forms a mental image of them. ᵂᵖ

What is a synonym for "first impression"?

Common synonyms include: alpha, breaking-in, first, first blush, first glance, first inning.

noun

noun ·Rare ·Advanced level

Noun

1
The event when one person first encounters another person and forms a mental image of them. ᵂᵖ
"I obviously didn't make much of a first impression with him, because he didn't recognize me from the party two weeks ago."
2
(of a case, issue, etc.) The state of not having been previously raised within a particular jurisdiction. ᵂᵖ
"Because the law was just recently passed, this is a case of first impression."

"I obviously didn't make much of a first impression with him, because he didn't recognize me from the party two weeks ago."