Choose the option opposite in meaning to the underlined word(s).
Everyone, including the Principal, believed that he was very assiduous student?
Answer Details
The opposite of "assiduous" would be "casual".
Assiduous means showing great care, attention, and effort in doing something, while casual means relaxed and unconcerned, showing a lack of care or attention.
So, in the given sentence, if everyone believed that he was a very assiduous student, it means that he was very diligent and hardworking in his studies. The opposite of this would be a casual student, who is not very concerned about their studies and does not put in much effort.