Someone who always thinks that everything will go wrong
Pessimistic
Someone who is always positive about everything
optimistic
Someone who is very talkative and sociable
Extroverted
Someone who is very shy and quite
introverted
Someone who always does the right thing and doesn't risk their life
sensible
Someone who is always arguing about anything and who likes fighting
quarrelsome
Someone who is practical, reasonable, and friendly
down-to-earth
Someone who is determined to do what he or she wants and refuses to do anything else
stubborn/ obstinate
Someone who says what he or she thinks without trying to be polite or considering other people's feelings
blunt/ outspoken/ straightforward
Someone who asks too many questions wanting to discover as much as he or she can about things, sometimes in a way that annoys people
inquisitive
Someone who is always calm and never angry or too excited about anything
even-tempered
Someone who is careful and makes a lot of effort
diligent/ hard-working
Someone having a strong wish to be successful, powerful, or rich
ambitious
Someone who is kind and generous
Big-hearted/Compassionate
The opposite of quiet
Talkative/Chatty
You can't rely on that person.
unreliable
