This is the 2315th most frequent Japanese word.
きっちり
Precisely; neatly; properly; tightly.
The use of 'きっちり' here reflects punctuality, stressing precise adherence to the expected time.
彼女は時間きっちりに到着した。
She arrived exactly on time.
Here, 'きっちり' emphasizes the precise and exact manner in which the work was finished, highlighting completeness.
彼は仕事をきっちり終わらせた。
He completed his work neatly and thoroughly.
In this phrase, 'きっちり' indicates the door is properly closed, ensuring no gaps remain.