'Unique' in the Bible

The Word became flesh and lived among us. We gazed on his glory, the kind of glory that belongs to the Father's unique Son, who is full of grace and truth.

No one has ever seen God. The unique God, who is close to the Father's side, has revealed him.

"For this is how God loved the world: He gave his unique Son so that everyone who believes in him would not be lost but have eternal life.

Whoever believes in him is not condemned, but whoever does not believe has already been condemned, because he has not believed in the name of God's unique Son.