This is the 356th most frequent Arabic word.
مختلفة
Different.
In this sentence, 'مختلفة' describes the books read, implying they are diverse or not of the same type.
لقد قرأت كتبًا مختلفة خلال الإجازة.
I read various books during the holiday.
Here, 'مختلفة' characterizes the opinions, signifying they vary among individuals.
لدى الأشخاص وجهات نظر مختلفة حول هذا الموضوع.
People have different opinions on this topic.
In this case, 'مختلفة' explains that the picture does not match the expectation, suggesting dissimilarity.