Useful expressions and less common words to describe people's appearance, behavior, attitude and personality.

IELTS Speaking Vocabulary for Description of People 不太常见的雅思词汇来形容人

Muscular 肌肉发的, 一个人有肌肉
形容词
My boyfriend has gained lot of muscles after a couple of months in the gym.

Chubby 丰满的, 胖乎乎的
形容词
One of my friends is quite chubby because he eats lot of fast food. 
同义词： fat

Optimistic 乐观的
形容词

He is always optimistic about his future.

Slim 苗条
形容词

She is so slim. 
同义词： thin, slender

Supportive  支持的
形容词

She has been supportive towards me throughout my whole journey.

Pessimistic 悲观 
形容词

Her thinking is so pessimistic.

Cheerful 活泼
形容词 

He is always cheerful. Or He has a cheerful personality. 
同义词： lively, vivacious

Witty 风趣, 幽默
形容词

He is so witty. 
同义词：funny, humorous, amusing

Extroverted 外向的
形容词
 
He likes to have conversation with people from various backgrounds so has got an extroverted personality. 

同义词： outgoing, open-minded, ambitious, self-confident

Reserved 害羞的
形容词

He is always reserved and he does not talk much. 

同义词： shy, timid, introverted