The ancient Greeks did so, and defined four variations, as identified in How to Define Love. Of the four, the term agape most closely equates to unconditional love. Agape love is a choice, a decision made to love regardless of circumstances or disappointments.   Thus, unconditional love means loving another in their essence, as they are, no matter what they do or fail to do.  People with children usually seem to understand this notion best of all. It is also learned and practiced. You must choose to love unconditionally.  Parents might counter that they had no choice but to love their children from the moment they laid eyes on them, but that initial flush of attachment is, perhaps imperceptibly, replaced by an ongoing decision to love the child regardless of circumstances. A person who has newly fallen in love with another is often in this state, where they don't see the other person’s full reality, faults and all.  Such a state of love is (or at least should be) temporary, and needs to be replaced by a longer-term, “eyes wide open” type of love if the love is to last. To love someone without conditions you need to be aware of the conditions, good and bad. "Unconditional Love is not the case of being blinded by love but rather the resolution that nothing is more important than love." - Talidari Some say no, because romantic love must function conditionally, as a partnership based on feelings, actions, and expectations.  In this view, you can never love your spouse in the same unconditional manner as your child.  However, love is not the same thing as a relationship. Relationships are conditional, a “working partnership.” An unconditional relationship is a recipe for one-sided domination.  Thus, a relationship can end because the partnership does not function properly, and yet unconditional love toward the other person can remain. Sometimes ending a relationship can be the way to love unconditionally. We usually consider love to be a feeling, but feelings are a response to something we “get” from someone or...

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