Advanced vocabulary

if sb is volatile, they lose their temper very quickly and very easily

if sb is callous, they are cruel and heartless

if sb is curt, they are very abrupt (and rude, as a result) when they talk to another person

if sb is met iculous, they are very careful about what they do, paying attention to small details and making sure that everything is correct or in order

if sb is calculating, they get what they want by careful and clever planning, without caring about anyone else

if sb is persistent, they refuse to give up, despite difficulties or opposition

if sb is cheerful, they are happy and in a good mood

if sb is unscrupulous, they are prepared to act in an immoral and dishonest way to get what they want

if sb is squeamish, they do not like the sight of, and are usually up set by, unpleasant things such as blood or needles

if sb is cantankerous, they are bad- tempered and tend to argue with people about insignificant things

if sb is fickle, they are not faithful or loyal to their friends

if sb is brash, they are annoyingly loud, over confident and aggressive

if sb is withdrawn, they are very quiet and do not like talking to others

if sb is inquisitive, they are always trying to find out about other people's lives, often by asking a lot of questions

if sb is sullen they are bad tempered and do not speak much

sb is reckless, they do dangerous things without thinking about the consequences of their actions (a reckless driver)

interested in many different things and always wanting to know more about them (often used about children)