This is the 3426th most frequent French word.
bye
The word "bye" is not French; it is an informal English farewell term.
This usage of 'bye' is a casual way to say goodbye, often familiar and informal.
À demain, bye !
See you tomorrow, bye!
Here, 'bye' is used for a quick informal farewell before an urgent departure.
Bye, je vais manquer mon train.
Bye, I am going to miss my train.
In this context, 'bye' concludes the conversation and implies anticipation for future communication.