Conservative, sedate, composed, shy or modest.
nervous
another word for being mean is being a bully.
A register
First-come-first-serve...
use of reserved word in assembly language
she kept to herself.
what is the word for being lied to
Yes. The word "hello" can be an identifier token. It is not a reserved word in C or C++, and it meets the criteria for being an identifier.
another word for being irritated is being annoyed
Another word for being born somewhere is "native" or "indigenous".
existing
Being on time