adverb
Expresses that something long-awaited or long-expected has happened after a process or passage of time. Often carries a sense of culmination or resolution.
長い冬が終わり、ついに春が来た。
The long winter ended, and spring finally came.
彼はついに夢を実現させた。
He finally realized his dream.
adverb
in the end; after all; never (with negative)
Used with a negative verb to mean that something did not happen in the end, or that a situation remained unchanged despite expectations. Often implies 'after all' or 'ultimately not'.
彼はついに来なかった。
He never came (in the end).
その問題はついに解決しなかった。
The problem was never solved.