This is the 5623rd most frequent Arabic word.
كليا
Wholly; completely; entirely.
In this sentence, "كلياً" is used as an adverb to emphasize the total extent of the change in the person's life.
تغيرت حياتي كلياً بعد اتخاذ هذا القرار.
My life changed completely after making this decision.
Here, "كلياً" acts as an adverb to indicate the incomplete understanding of the subject.
لم أستطع فهم الموضوع كلياً بسبب صعوبة التفسير.
I couldn't fully understand the topic due to the difficulty of the explanation.
In this phrase, "كلياً" is used to stress absolute belief or confidence in one's abilities.