An adverb meaning 'all the more' or 'even more so' — used when a situation causes an increase in some feeling or effect.
優勝の可能性が高くなるにつれて、いやが上にも緊張が高まった。
As the chance of victory grew, the tension increased all the more.
感謝の言葉を受けて、いやが上にもやる気が湧いてきた。
Receiving words of thanks made me even more motivated.
問題が続くと、いやが上にも焦りが募る。
When problems continue, one becomes all the more anxious.