verliebt
in love
The feeling of having strong romantic affection for another person.
Sie ist bis über beide Ohren in ihren neuen Kollegen verliebt.
She is head over heels in love with her new colleague.

in love
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in love
The feeling of having strong romantic affection for another person.
Sie ist bis über beide Ohren in ihren neuen Kollegen verliebt.
She is head over heels in love with her new colleague.

'Verliebt' (in love) is always used with the preposition 'in' and the accusative. This applies both to people and to things.
Mein Bruder ist in eine neue Kollegin verliebt.
My brother is in love with a new colleague.
'Verliebt' (in love) is formally the past participle of the verb 'sich verlieben' (to fall in love), but it is used like an adjective. The prefix 'ver-' often indicates a change of state, which fits the process of falling in love.
Das frisch verliebte Paar ging Hand in Hand spazieren.
The newly in-love couple went for a walk hand in hand.
There are several fixed expressions to describe the feeling. Very common ones are 'frisch verliebt' (newly in love), 'heimlich verliebt' (secretly in love), or the idiom 'bis über beide Ohren verliebt sein' (to be head over heels in love).
Er hat mir gestanden, dass er heimlich in mich verliebt ist.
He confessed to me that he is secretly in love with me.
If the object after 'in' is not a person but a thing, a place, or an idea, 'verliebt' (in love) has a figurative meaning. It then expresses strong enthusiasm or a great liking.
Als Hobbykoch ist er verliebt in die Aromen der asiatischen Küche.
As an amateur cook, he is in love with the aromas of Asian cuisine.
to love
'lieben' and 'verliebt' both have to do with strong positive feelings. 'lieben' is a verb and describes love or a very strong liking. It can be used in long-term relationships, in the family, or for things. 'Verliebt' is an adjective and usually describes the state at the beginning of romantic feelings: you think a lot about a person and feel strongly attracted to them. You can also figuratively be 'verliebt in' something; that sounds more figurative. The words can be confused because both show very strong feelings. The important point is: you can love someone without currently being newly in love.

Seit dem Ausflug ist Tom in seine Kollegin verliebt.
Since the outing, Tom has been in love with his colleague.
Die Eltern lieben ihr Kind, auch wenn es manchmal schwierig ist.
The parents love their child, even when things are sometimes difficult.