This is the 238th most frequent Russian word.
никогда
Never.
In this sentence, 'никогда' is used with the negative particle 'не' to express that the action has never occurred.
Я никогда не был в Париже.
I have never been to Paris.
Here, 'никогда' emphasizes the permanence of the action, combined with the negative particle 'не'.
Никогда не забуду этот день.
I will never forget this day.
In this conditional sentence, 'никогда' highlights the impossibility of a future event happening under specific conditions.