This is the 2187th most frequent Chinese word.
无比
Incomparable; unparalleled.
In this sentence, '无比' is used to emphasize an unparalleled degree of enthusiasm.
他对新工作的热情无比高涨。
His enthusiasm for the new job is unmatched.
Here, '无比' illustrates an exceeding level of happiness.
看到孩子健康成长，她感到无比幸福。
Seeing the child grow up healthy, she feels extremely happy.
'无比' is employed to describe an extraordinary level of beauty.