Out of the four alternatives, choose the one which best expresses the opposite meaning of the given word.
Assiduous
The word 'assiduous' means 'hard-working'. The meanings of the words are:
Negligent=> careless
Expert=> a person who is very knowledgeable about or skilful in a particular area$
Dignified=> having or showing a composed or serious manner that is worthy of respect$
Moribund=> in terminal decline$
Thus option 1 is the correct answer.$