maybe

Perhaps, possibly.

A small extra effort now can maybe save you much work later.

Maybe I was imagining it, but I could swear that the dog understood what I was saying.

Perhaps that is true (expressing no commitment to a decision or a neutral viewpoint to a statement).

Okay. See you later, maybe. — Maybe I’ll see you later.

Certainly.

Maybe not the best idea.

Possible; uncertain.

Then add those may-be years thou hast to live

Something that is possibly true.

An answer that shows neither agreement nor disagreement.

The results of the poll were inconclusive. We got two yeses, three nos, and four maybes.

A future event that may or may not happen.

About your raise: it's a big maybe.