The word with a negative connotation is discouraging.
When someone is discouraged, they are dispirited, disheartened, and with a lack of enthusiasm; this has a negative implication.
All other options have positive connotations, except maybe bulb, which is pretty neutral.
I hope this helps you!
The last answer sets the most formal tone; "Hello! I was very pleased to meet you at the party last week." the rest are very casual.
If I’m not wrong, I am quite sure that the question is a personal question for you to answer. Describe what you plan to do about what happened AND what is your name in this situation/time/era?
