Possibly means that something might happen or be true, but you are not sure. It shows uncertainty, often with at least some chance.
“Possibly” comes from Old French *possiblement*, from Latin *possibilis*, “that can be done,” plus the adverbial ending *-ly*. It literally means “in a way that could be.”
When people say “possibly,” they’re often signaling politeness or caution, not just probability. For example, “I possibly can’t” can hide a firm “no” behind a soft maybe.
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