das Liebespaar
couple
Two people who are in a romantic and loving relationship with each other.
Das junge Liebespaar saß Händchen haltend auf der Parkbank.
The young couple sat on the park bench holding hands.

couple
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couple
Two people who are in a romantic and loving relationship with each other.
Das junge Liebespaar saß Händchen haltend auf der Parkbank.
The young couple sat on the park bench holding hands.

The word consists of 'Liebe' (love) and 'Paar' (couple). So it literally describes a 'couple in love' and emphasizes the romantic relationship between the two people.
Romeo und Julia sind das berühmteste Liebespaar der Literatur.
Romeo and Juliet are the most famous couple in literature.
'Das Liebespaar' (the couple) is a singular noun, even though it refers to two people. Therefore, the conjugated verb in the sentence is also singular.
Das Liebespaar geht am Strand spazieren.
The couple is walking along the beach.
The word is often combined with adjectives such as 'jung' (young), 'glücklich' (happy), 'frisch verliebt' (newly in love), or 'unglücklich' (unhappy).
Im Park saß ein frisch verliebtes Liebespaar auf einer Bank.
A newly-in-love couple was sitting on a bench in the park.
pair / couple
'das Paar' and 'das Liebespaar' can both mean two people who are romantically together. However, 'das Paar' is more general: it can also mean a married couple, a dance pair, or even two things that belong together. 'das Liebespaar' clearly says that it is about love and a romantic relationship. Learners may confuse the words because for two people in love, you often simply say 'ein Paar'. If the romantic relationship should be emphasized, 'Liebespaar' is more precise. In everyday language, 'Paar' often sounds more neutral and natural.

Im Park saß ein Liebespaar auf einer Bank und hielt sich an den Händen.
A couple was sitting on a bench in the park, holding hands.
Das Paar wohnt seit drei Jahren zusammen in einer kleinen Wohnung.
The couple has been living together in a small apartment for three years.