This is the 1022nd most frequent French word.
future
The time yet to come.
Here, 'futur' is a noun referring to time yet to come, describing a conceptual point in time.
Dans le futur, nous vivrons peut-être sur Mars.
In the future, we might live on Mars.
In this sentence, 'avenir' (synonymous with 'futur') is used to talk about someone's personal upcoming experiences or goals in life.
Elle pense à son avenir et à ce qu'elle veut faire.
She thinks about her future and what she wants to do.
In this case, 'futur' is an adjective describing the tense, indicating its grammatical use for expressing actions that will happen next.