verb (used with object), re·lived, re·liv·ing. to experience again, as an emotion. to live (one's life) again.

Is relive one word or hyphenated?

As verbs the difference between relive and hyphenated

is that relive is (obsolete|transitive) to bring back to life; to revive, resuscitate while hyphenated is (hyphenate).

What a relive means?

transitive verb. : to live over again especially : to experience again in the imagination.