Unconditional love is known as affection without any limitations, it can also be love without conditions. This term is sometimes associated with other terms such as true altruism, or complete love.
Anyone who does not love does not know God, because God is love. | 1 John 4:8
Above all, keep loving one another earnestly, since love covers a multitude of sins. | 1 Peter 4:8
And he sent them to Bethlehem, saying, Go and search diligently for the child, and when you have found him, bring me word, that I too may come and worship him. | Matthew 2:8
But God shows his love for us in that while we were still sinners, Christ died for us. | Romans 5:8
By this we know love, that he laid down his life for us, and we ought to lay down our lives for the brothers. | 1 John 3:16
But I say to you who hear, Love your enemies, do good to those who hate you. | Luke 6:27
But he said, “Blessed rather are those who hear the word of God and keep it!” | Luke 11:28
But blessed are your eyes, for they see, and your ears, for they hear. | Matthew 13:16
But when the goodness and loving kindness of God our Savior appeared, he saved us, not because of works done by us in righteousness, but according to his own mercy, by the washing of regeneration and renewal of the Holy Spirit. | Titus 3:4-5
Desiring to be teachers of the law, without understanding either what they are saying or the things about which they make confident assertions. | 1 Timothy 1:7
For by grace you have been saved through faith. And this is not your own doing; it is the gift of God. | Ephesians 2:8
For if we go on sinning deliberately after receiving the knowledge of the truth, there no longer remains a sacrifice for sins. | Hebrews 10:26
For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life. | John 3:16
In this the love of God was made manifest among us, that God sent his only Son into the world, so that we might live through him. In this is love, not that we have loved God but that he loved us and sent his Son to be the propitiation for our sins. | 1 John 4:9-10
I in them and you in me, that they may become perfectly one, so that the world may know that you sent me and loved them even as you loved me. | John 17:23
Let love be genuine. Abhor what is evil; hold fast to what is good. Love one another with brotherly affection. Outdo one another in showing honor. | Romans 12:9-10
Let all bitterness and wrath and anger and clamor and slander be put away from you, along with all malice. Be kind to one another, tenderhearted, forgiving one another, as God in Christ forgave you. | Ephesians 4:31-32
So we have come to know and to believe the love that God has for us. God is love, and whoever abides in love abides in God, and God abides in him. | 1 John 4:16
So if there is any encouragement in Christ, any comfort from love, any participation in the Spirit, any affection and sympathy. | Philippians 2:1
Teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age. | Matthew 28:20
The Lord appeared to him from far away. I have loved you with an everlasting love; therefore I have continued my faithfulness to you. | Jeremiah 31:3
Who shall separate us from the love of Christ? Shall tribulation, or distress, or persecution, or famine, or nakedness, or danger, or sword? | Romans 8:35
You are my witnesses,” declares the Lord, “and my servant whom I have chosen, that you may know and believe me and understand that I am he. Before me no god was formed, nor shall there be any after me. | Isaiah 43:10
The main use of unconditional in Christianity is the assertion “That God so loved the world…” In other words, God loves the world enough to suffer for us without preconditions. There is then that postcondition of actually accepting that Grace.