This is the 2947th most frequent Japanese word.
グッド
"グッド" means "good" in English.
In this sentence, グッド is used as an adjective to describe the quality of the performance, indicating high standard or quality.
彼の演奏は本当にグッドだった。
His performance was truly good.
Here, グッド acts as an adjective modifying 天気 (weather) to express favorable or pleasant conditions.
今日はとてもグッドな天気ですね。
The weather today is very good.
In this example, グッド is used to evaluate an idea positively, with the addition of 'すぎる' indicating an exaggerated extent.