studious

You could be assigned a slovenly party animal who makes your life miserable or a studious bookworm you don’t see all semester.

Noel, in particular, wears the studious look of a man trying to remember his National Insurance number - but somehow, it's impossible to take your eyes off them.

A studious kid who loved writing poetry, she invented her alter-ego at the age of 11, after being viciously bullied in school.

Following in his parents footsteps, the studious Narlikar went to Cambridge University for higher studies where topped a highly prestigious mathematical course.

The man known as 'The Scientist' for his studious thinking continues to leave no stone unturned in his pursuit of the iconic Green Jacket.